CN110797118B - Monitoring system for preventing and controlling myopia and calculating method - Google Patents
Monitoring system for preventing and controlling myopia and calculating method Download PDFInfo
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Abstract
The invention discloses a monitoring system for preventing and controlling myopia and a calculating method, comprising the following steps: a main page module, wherein a login window and a registration link are displayed on the main page module; the registration page jumps to a page after the user registers the link address of the account password to log in, displays an account window, a password window, a repeated password window and a birthday window, and stores the filled information into a storage; the password judging module is used for judging whether the registered password is correct or not; modifying the password link for popping up after the password judgment module judges that the password is wrong; and the page dividing module is used for displaying a diopter parameter input window of the left eye, a left eye checking time input module, a diopter parameter input window of the right eye and a right eye checking time input module. The method ensures that the prediction of myopia progression is more visual and clear, and has more definite definition on the effect of myopia prevention and control.
Description
Technical Field
The invention relates to the field of myopia monitoring, in particular to a myopia prevention and control monitoring system and a calculation method.
Background
The myopia in China is high, and the proportion of the high myopia is also continuously rising. The high myopia has a large harm, and becomes the first irreversible blindness eye disease, and common harm is as follows: (1) leopard-shaped eyeground; (2) choroidal atrophy around the optic disc; (3) the macula can develop irregular, separate or fused white atrophy spots, sometimes with bleeding visible. Furthermore, small round bleeds are occasionally seen near the macula, called Foster-Fuchs spots; (4) posterior scleral grape swelling; (5) serration margin cystic degeneration. The current control means for myopia mainly comprises prevention for individuals without myopia and slowing down of the rising speed of the myopic degree for individuals with myopia. However, in the prevention and control process, there are no tools or systems that can intuitively predict myopia progression or evaluate control effects. In particular, there is no clear judgment and prediction method for how the preventive effect of teenagers and children is before myopia.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a myopia prevention and control monitoring system and a calculation method, so as to overcome the technical problems in the prior art.
The technical scheme of the invention is realized as follows:
according to one aspect of the present invention there is provided a myopia prevention and control monitoring system comprising:
a main page module, wherein a login window and a registration link are displayed on the main page module;
the registration page jumps to a page after the user registers the link address of the account password to log in, displays an account window, a password window, a repeated password window and a birthday window, and stores the filled information into a storage;
the password judging module is used for judging whether the registered password is correct or not;
modifying the password link for popping up after the password judgment module judges that the password is wrong;
the page dividing module is used for displaying a diopter parameter input window of a left eye, a left eye checking time input module, a diopter parameter input window of a right eye and a right eye checking time input module;
the input judging module is used for judging whether the user input is wrong or not;
the calculation result display module is used for displaying the calculation result of the user;
the prompting module displays the risk of the high myopia of the user according to the structure;
the corresponding diopter is input by looking at the previous year diopter window, and can be input by looking at the past year diopter window.
Optionally, the format of the birthday window is year, month and day.
Optionally, key questions for modifying the password are displayed on the registration page.
Alternatively, the above-mentioned key questions include one of the most important dates, the most important people, the most important places, and the like.
Optionally, the modifying password link includes a password declaration link for modifying by related information in case that the password is forgotten.
According to another aspect of the present invention, there is provided a calculation method for preventing and controlling myopia, including a calculation method for dividing boundary lines and a calculation method for diopter prediction lines;
the method for calculating the partition boundary line comprises the following steps:
setting an average increment value of myopia degree years for each age, wherein MI1, MI2, MI3 and … … MI;
setting a certain age as a starting point age of myopia prevention and control, setting a diopter number starting point value HR1, and setting the starting point value within a range of 1.50D-4.00D according to different ages;
setting the annual far vision power reduction values HD1, HD2, HD3, HD4, … … HDn from the starting age;
calculating predicted values of far vision reserves HR, HR2 = HR1-HD1, HR3 = HR2-HD2, … … for each age from the refraction onset value HR1 and the annual reduction of far vision power H until the first non-positive HR value HRx occurs;
setting a termination age f;
subtracting HRx from HRx to obtain Max+1 value, wherein MAx+1= HRx-MIx and MAx+2=MAx+1-MIx+1 up to MAf;
drawing HR1 and HR2, HR3, … …, HRx, MAx+1, MAx+2, … … and MAf obtained in the previous step on a graph with age and diopter as two axes to obtain a partition boundary line;
different partition boundary lines can be obtained according to different series of HR1 values, MI values and HD values, and corresponding names which are convenient to understand can be given to the partition boundary lines;
the calculation method of the diopter prediction line comprises the following steps:
the diopter value input by the user is recorded as DA, and a series of diopter values input by the user are DA1, DA2, … … and DAy;
predicted diopter values were noted DF, and DFy +1, DFy +2, … …, DFy +m according to DA predicted diopter values;
marking the DA value input by the user and the corresponding age in the same graph of the partition boundary line;
calculating a subsequent series of DF values according to the DA values;
if the user only inputs one DA value and the age corresponding to the DA value is smaller than or equal to the starting point age, or a plurality of DA values are input, but the ages corresponding to the DA values are smaller than or equal to the starting point age, more diopter data are prompted to be needed for prediction;
predicted DFy +1, DFy +2 are labeled in the figure and are connected in a line.
Further, the method includes the above-mentioned names for easy understanding including a base line, a safety line, a primary near line of sight, a secondary near line of sight and a tertiary near line of sight.
In the method, if the user inputs one or more DA values and at least one DA is greater than the starting age, a prediction curve can be given, if the DA greater than the starting age is only one, the HD value and the MI value of the partition boundary line closest to the DA value are taken as prediction parameters, the DA is taken as a starting point, and the method is calculated according to the calculation method of the partition boundary line; if the user inputs a number of DA values greater than the starting age: DA1, DA2, … …, DAy, and the partition boundary line closest to the curve drawn in the figure according to the actual DA value is selected as the reference boundary line, and the HD value and the MI value of the partition boundary line closest to the last 2 DA values are used as the prediction parameters.
In the method, if all DA values are larger than zero, taking the last input value DAy of the user as a diopter starting point, if DAy is positive, DFy +1=day-HDy, and dfy+2= DFy +1-HDy +1, and predicting the rest DF values according to the method and MI values until the first non-positive DF value appears; if the reference HD has been used up, the DF is still positive, the corresponding MI value is adjusted to the last HD value until the first non-positive DF value appears, if the reference HD value has not been used up, the DF value is negative, the corresponding HD value is adjusted to the first MI of the reference line or to the MI value of the age corresponding to the non-reference boundary line adjacent to the predicted line
In the method, if not all the DA values are greater than zero, a partition boundary line closest to a curve drawn in the figure according to the actual DA value is selected as a reference boundary line, the corresponding MI value of the reference boundary line is used as a predicted parameter, and if the MI value of the corresponding reference line does not appear yet, the corresponding HD value is adjusted to the first MI value of the reference line or to the MI value of the age corresponding to a non-reference boundary line adjacent to the predicted line. All remaining DF values were predicted by DAy starting at DFy +1=day-MIy, dfy+2= DFy +1-miy+1, … ….
The beneficial effects of the invention are as follows: the change of the refraction state of the user is visually displayed by adopting a graphical method, and the possible future change trend is displayed. The method ensures that the prediction of myopia progression is more visual and clear, and has more definite definition on the effect of myopia prevention and control. Therefore, the patients, parents and doctors can plan targets more in the myopia prevention and control process, and a better myopia prevention and control effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a method for calculating a partition boundary line in a myopia prevention calculation method according to an embodiment of the present invention;
FIG. 2 is a flowchart of a method for calculating a diopter prediction line in a calculation method for preventing and controlling myopia according to the embodiments of the present invention;
FIG. 3 is a table of HD and MI parameters after artificial set points in an embodiment according to the invention;
fig. 4 is a plot boundary line value calculated according to fig. 3;
FIG. 5 is a predicted myopia progression monitoring map plotted against the zone boundary line values in FIG. 3;
FIG. 6 is an actual diopter mark value actually entered by the user;
FIG. 7 is a user's actual HD and MI parameters;
fig. 8 is a combination of a predicted myopia progression monitoring map plotted for the actual HD and MI parameters of the user with fig. 5.
Description of the drawings:
1. a base line; 2. a safety line; 3. a first order near line of sight; 4. a second order near line of sight; 5. three-level near vision; 6. the user actually predicts the value line.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
According to an embodiment of the present invention, there is provided a monitoring system for preventing and controlling myopia, including:
a main page module, wherein a login window and a registration link are displayed on the main page module;
the registration page jumps to a page after the user registers the link address of the account password to log in, displays an account window, a password window, a repeated password window and a birthday window, and stores the filled information into a storage;
the password judging module is used for judging whether the registered password is correct or not;
modifying the password link for popping up after the password judgment module judges that the password is wrong;
the page dividing module is used for displaying a diopter parameter input window of a left eye, a left eye checking time input module, a diopter parameter input window of a right eye and a right eye checking time input module;
the input judging module is used for judging whether the user input is wrong or not;
the calculation result display module is used for displaying the calculation result of the user;
the prompting module displays the risk of the high myopia of the user according to the structure;
the corresponding diopter is input by looking at the previous year diopter window, and can be input by looking at the past year diopter window.
In addition, in one embodiment, key questions for modifying the password are displayed on the registration page. The above-mentioned key problems include one of the most important dates, the most important people, the most important places, etc. The password modifying link comprises a password declaration link and is used for modifying through related information in the case of forgetting the password.
1-2, according to an embodiment of the present invention, there is further provided a calculation method for preventing and controlling myopia, including a calculation method for dividing boundary lines and a calculation method for diopter prediction lines;
the method for calculating the partition boundary line comprises the following steps:
step S101, setting an average increment value of myopia degree years for each age, wherein MI1, MI2, MI3 and … … MI;
step S103, setting an age as a starting point age of myopia prevention and control, setting a diopter number starting point value HR1, and setting the starting point value within a range of 1.50D-4.00D according to different ages;
step S105, setting the annual far vision power reduction values HD1, HD2, HD3, HD4, … … HDn from the starting age;
step S107, calculating a predicted value HR of far vision reserve corresponding to each age, HR 2=hr 1-HD1, HR 3=hr 2-HD2, … …, based on the refraction start value HR1 and the annual reduced value H of far vision power, until the first non-positive HR value HRx occurs;
setting a termination age f;
step S109, subtracting HRx from HRx to obtain max+1, max+1= HRx-MIx, max+2=max+1-mix+1 up to MAf;
step S111, drawing HR1 and HR2, HR3, … …, HRx, MAx+1, MAx+2, … … and MAf obtained in the previous step on a graph with age and diopter as two axes to obtain a zoned boundary line;
step S113, according to different series of HR1 values, MI values and HD values, different partition boundary lines can be obtained, and the partition boundary lines can be given corresponding names which are convenient to understand;
the calculation method of the diopter prediction line comprises the following steps:
step S201, the diopter value input by the user is recorded as DA, and a series of diopter values input by the user are DA1, DA2, … … and DAy;
step S203, the predicted diopter value is recorded as DF, and the diopter value predicted according to DA is recorded as DFy +1, DFy +2, … … and DFy +m;
step S205, marking the DA value input by the user and the corresponding age in the same graph of the partition boundary line;
step S207, calculating a subsequent series of DF values according to the DA values;
step S209, if the user inputs only one DA value, and the age corresponding to the DA value is less than or equal to the starting age, or if a plurality of DA values are input, but the ages corresponding to the plurality of DA values are all less than or equal to the starting age, then prompting that more diopter data is needed for prediction;
in step S211, the predicted DFy +1 and DFy +2 are marked in the figure and connected to form a line.
In addition, the above names for easy understanding include a base line 1, a safety line 2, a primary near vision line 3, a secondary near vision line 4, and a tertiary near vision line 5, when applied specifically. In the above method for calculating the diopter prediction line, if the user inputs only one or more DA values and at least one DA is greater than the starting age, a prediction curve may be given, and if the DA greater than the starting age is only one, the HD value and the MI value of the partition boundary line closest to the DA value are used as prediction parameters, and the one DA is used as a starting point, and calculated according to the above method for calculating the partition boundary line; if the user inputs a number of DA values greater than the starting age: DA1, DA2, … …, DAy select the partition boundary line closest to the curve depicted in the figure according to the actual DA value as the reference boundary line, and the HD value and MI value of the partition boundary line closest to the last 2 DA values are used as the prediction parameters. If all DA values are larger than zero, taking the last input value DAy of the user as a diopter starting point, if DAy is positive, DFy +1=day-HDy, and dfy+2= DFy +1-HDy +1, and predicting the remaining DF values according to the method and MI values until the first non-positive DF value appears; if the HD of the reference is used up, when the reference value starts to appear MI, DF is still positive, and the corresponding MI value is adjusted to the last HD value until the first non-positive DF value appears; if the reference HD value has not been used up, the MI value has not appeared, and the DF value has been negative, the corresponding HD value is adjusted to the first MI of the reference line or to the MI value of the age corresponding to the non-reference border line adjacent to the prediction line. If not all the DA values are greater than zero, a partition boundary line closest to a curve drawn in the figure according to an actual DA value is selected as a reference boundary line, and the corresponding MI value of the reference boundary line is used as a predicted parameter. All remaining DF values were predicted by DAy starting at DFy +1=day-MIy, dfy+2= DFy +1-miy+1, … ….
In order to more clearly understand the above technical solutions of the present invention, the following describes the above solutions of the present invention in detail by means of specific examples.
As shown in fig. 3 to 8, given a value artificially, HD and MI parameters are obtained, and a predicted myopia monitor map is drawn from the calculated partition boundary values according to the HD and MI parameters, and the predicted value is calculated by inputting a value of a user's actual diopter mark into a calculation method for preventing myopia, and the predicted value is input into the predicted myopia monitor map, where the following situations may occur:
(a) If the subscriber line falls between the base line 1 and the security line 2 (i.e. area a), then the prompt is:
according to the history number, the risk of future myopia is presumed to be lower, good eye habit is kept, diet nutrition is balanced, outdoor exercises for 2 hours per day are guaranteed, at least one visual health check is recommended every half, and all visual function indexes are guaranteed to be in good states all the time.
(b) If the subscriber line falls between the security line 2 and the primary near line of sight 3 (i.e. zone B):
if myopia has not occurred, prompt:
according to the prediction of the history data, the risk of future high myopia is low, but the risk of myopia is high, the visual function examination is recommended to be carried out, whether weak links exist in the visual function or not is checked, and the hyperopic reserve is protected. At ordinary times, good eye habit is kept, eye distance is concerned, regular rest and telescopic relaxation are concerned, nutrition balance is guaranteed, at least one visual health check is recommended every three months for outdoor exercises of 2 hours a day, visual function problems are found, and rehabilitation training is timely conducted.
If myopia has occurred, prompt:
according to the prediction of the history data of you, the future high myopia risk is low, the vision function inspection is recommended, whether weak links exist in the vision function is checked, and the eye habit is good at ordinary times, the eye distance is concerned, the regular rest and telescopic relaxation are concerned, the nutrition balance is ensured, the vision health inspection is recommended to be carried out at least once every three months, the vision function problem is found in time, the recovery is trained in time, and the degree and the method of refraction correction are adjusted at any time according to the inspection.
(c) If the subscriber line falls between the primary near vision line 3 and the secondary near vision line 4 (i.e., region C):
if myopia has not occurred, prompt:
according to the prediction of the history data, the risk of future high myopia is high, attention should be paid, visual function examination is recommended, visual function rehabilitation training is timely carried out, and hyperopia reserve is protected. And pay attention to the habit of using eyes at ordinary times, pay attention to the distance of using eyes, pay attention to the timing rest and the telescopic relaxation, guarantee balanced nutrition, guarantee the outdoor exercises of 2 hours per day to build, suggest that the month carries out a vision health check, monitor the eye state at any time, find the visual function problem, train in time and resume.
High myopia has become the first irreversible blinding eye disease worldwide. Compared with middle and low myopia, the risk of the high myopia to have fundus lesions is increased by more than 10 times. Controlling the degree of myopia in the mid-low range may reduce the risk of cataract by 74%, glaucoma by 67%, maculopathy by 99% and retinal detachment by 98%.
If myopia has occurred, prompt:
predicting that future high myopia risk is higher according to history data, paying attention to the fact that visual function examination is recommended, and performing rehabilitation training on weak links of visual functions in time; at ordinary times, attention is paid to eye habit, eye distance is paid to attention to, and regular rest and telescopic relaxation are performed, so that balanced nutrition is ensured; suggesting that vision health check is carried out once per month, and timely finding out vision function problems and recovering through training; the degree and method of refraction correction are adjusted at any time according to the examination; and actively taking measures for controlling myopia according to doctor suggestions.
High myopia has become the first irreversible blinding eye disease worldwide. Compared with middle and low myopia, the risk of the high myopia to have fundus lesions is increased by more than 10 times. Controlling the degree of myopia in the mid-low range may reduce the risk of cataract by 74%, glaucoma by 67%, maculopathy by 99% and retinal detachment by 98%.
(d) If the subscriber line falls between the secondary near vision line 4 and the tertiary near vision line 5 (i.e., region D):
if myopia has not occurred, prompt:
according to the prediction of the history data, the risk of future high myopia is very high, attention should be paid, visual function examination is recommended, visual function rehabilitation training is timely carried out, and hyperopia reserve is protected. And pay attention to the habit of eyes at ordinary times, pay attention to the distance of eyes, pay attention to the timing rest and the telescopic relaxation, guarantee balanced nutrition, guarantee the outdoor exercises of 2 hours per day to build, propose the month to carry out a vision health check, monitor the eye state at any time, and carry out visual function training regularly.
High myopia has become the first irreversible blinding eye disease worldwide. Compared with middle and low myopia, the risk of the high myopia to have fundus lesions is increased by more than 10 times. Controlling the degree of myopia in the mid-low range may reduce the risk of cataract by 74%, glaucoma by 67%, maculopathy by 99% and retinal detachment by 98%.
If myopia has occurred, the myopic degree is below 600 degrees, prompting:
according to the prediction of the history data, the future high myopia risk is very high, attention should be paid, visual function examination is recommended, and visual function rehabilitation training is timely carried out; usually, attention is paid to eye habit, eye distance is paid to attention, timed rest and telescopic relaxation are paid to attention, nutrition balance is guaranteed, vision health examination is recommended to be carried out once per month, vision function problems are found in time, training and recovery are carried out in time, and the degree and method of refractive correction are adjusted at any time according to examination. And actively taking measures for controlling myopia according to doctor suggestions.
High myopia has become the first irreversible blinding eye disease worldwide. Compared with middle and low myopia, the risk of the high myopia to have fundus lesions is increased by more than 10 times. Controlling the degree of myopia in the mid-low range may reduce the risk of cataract by 74%, glaucoma by 67%, maculopathy by 99% and retinal detachment by 98%.
If myopia has occurred, the myopic degree is 600 degrees and above, prompting:
the eye has the high myopia and the continuous rising risk, the risk of fundus lesions after the high myopia is ten times higher than that of normal people, and attention should be paid to the suggestion of immediately checking the visual function and timely performing visual function rehabilitation training; at ordinary times, attention is paid to eye habit, eye distance is paid to attention to, and regular rest and telescopic relaxation are performed, so that balanced nutrition is ensured; suggesting to perform vision health examination once a month, finding out vision function problems in time, training and recovering in time, and adjusting the degree and method of refractive correction at any time according to the examination; the fundus is checked regularly, and measures for controlling myopia are actively taken according to doctor advice.
(e) If the subscriber line falls below the tertiary near line of sight 5 (i.e., deep E-zone), then prompt:
you are already in super high myopia at present, and there is a continuous rising risk, the risk of the high myopia fundus lesions is ten times higher than that of normal people, and attention should be paid. It is recommended to immediately perform fundus examination and visual function examination, prevent fundus problems and perform visual function training in time. At ordinary times, attention is paid to eye habit, eye distance is paid to attention to, and regular rest and telescopic relaxation are performed, so that balanced nutrition is ensured; suggesting to perform vision health examination once a month, finding out vision function problems in time, training and recovering in time, and adjusting the degree and method of refractive correction at any time according to the examination; the fundus is checked regularly, and measures for controlling myopia are actively taken according to doctor advice.
From the above, it can be seen that the user's actual situation falls between the safety line 2 and the first-order near vision line 3, and is not yet myopic, so a prompt is given: "predict according to your history data, the risk of future high myopia is lower, but the risk of myopia is higher, suggest to carry on the visual function check, check whether there is weak link in the visual function, protect the presbyopia reserve. At ordinary times, good eye habit is kept, eye distance is concerned, regular rest and telescopic relaxation are concerned, nutrition balance is guaranteed, outdoor exercise construction for 2 hours per day is guaranteed, vision health examination is conducted every three months, vision function problems are found, and rehabilitation training is conducted timely. "
In summary, the system can be used in computer software, apps or applets on mobile phones, and users can manage their myopia prevention and control data through the computer software, apps or applets on the mobile phones. The user establishes an account number of the user and inputs personal basic information such as birthday. And can upload the diopter parameters and inspection time of the left and right eyes. Based on the diopter parameters entered by the user and the data preset in the program, the system can determine and calculate, if no related control or intervention is performed, the correction by the frame glasses alone, the user's likely approximate range of diopters after 18 years old. According to the diopter data which are input by the user each time, the system can automatically judge, remind possible input errors, and adjust the predicted value according to the latest data. And prompting the height of the high myopia risk according to the region where the predicted value is. The change of the refraction state of the user is visually displayed by adopting a graphical method, and the possible future change trend is displayed. The method ensures that the prediction of myopia progression is more visual and clear, and has more definite definition on the effect of myopia prevention and control. Therefore, the patients, parents and doctors can plan targets more in the myopia prevention and control process, and a better myopia prevention and control effect is achieved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (2)
1. A calculation method for preventing and controlling myopia is characterized in that the calculation method is used in a myopia prevention and control monitoring system,
the monitoring system for preventing and controlling myopia comprises:
the main page module is provided with a login window and a registration link;
the registration page jumps to a page after the user registers the link address of the account password to log in, displays an account window, a password window, a repeated password window and a birthday window, and stores the filled information into a storage;
the password judging module is used for judging whether the registered password is correct or not;
modifying the password link for popping up after the password judgment module judges that the password is wrong;
the page dividing module is used for displaying a diopter parameter input window of a left eye, a left eye checking time input module, a diopter parameter input window of a right eye and a right eye checking time input module;
the input judging module is used for judging whether the user input is wrong or not;
the calculation result display module is used for displaying the calculation result of the user;
the prompting module displays the risk of the high myopia of the user according to the calculation result;
checking a past year diopter window, inputting corresponding diopter, and checking the diopter when the past year is years old;
the format of the birthday window is year, month and day;
the key problems for modifying the password are displayed on the registration page;
the key question comprises one of the most important date, the most important person and the most important place;
the password modification link comprises a password declaration link and is used for modifying through related information under the condition that the password is forgotten;
the calculation method for preventing and controlling myopia comprises a calculation method for partitioning boundary lines and a calculation method for diopter prediction lines;
the method for calculating the partition boundary line comprises the following steps:
setting an average annual increase value of myopia degree for each age, MI 1 、MI 2 、MI 3 、……MI j ；
Setting an age as a starting point age of myopia prevention and control, and setting a diopter number starting point value HR 1 According to different ages, the starting point value is set in the range of 1.50D-4.00D;
setting the annual far vision power reduction value, HD, from the starting age 1 ，HD 2 ，HD 3 ，HD 4 ，……HD n ；
According to the refraction origin value HR 1 Calculating predicted value of far vision reserve HR, HR corresponding to each age from the annual reduced value of far vision power HD 2 = HR 1 -HD 1 ，HR 3 =HR 2 -HD 2 … … up to a first non-positive HR value HR x Until it appears;
setting a termination age f;
by HR x Subtracting HR x Average increase in myopic degree MI for corresponding age z z Obtaining MA z+1 Value, MA z+1 =HR x -MI z ，MA z+2 =MA z+1 - MI z+1 Up to MA f ；
HR (HR) 1 And HR obtained by the above steps 2 、HR 3 、……、HR x 、MA z+1 、MA z+2 、……、MA f Drawing on a graph with age and diopter as two axes to obtain a zoned boundary line;
according to different series of HR values, MI values and HD values, different partition boundary lines are obtained, and the partition boundary lines are named correspondingly;
the calculation method of the diopter prediction line comprises the following steps:
the diopter value input by the user is recorded as DA, and a series of diopter values input by the user are recorded as DA 1 、DA 2 、……、DA y ；
The predicted diopter value is recorded as DF, and the diopter value predicted according to DA is recorded as DF y+1 、DF y+2 、……、DF y+m ；
Marking the DA value input by the user and the corresponding age in the same graph of the partition boundary line;
calculating a subsequent series of DF values according to the DA values;
if the user only inputs one DA value and the age corresponding to the DA value is smaller than or equal to the starting point age, or a plurality of DA values are input, but the ages corresponding to the DA values are smaller than or equal to the starting point age, more diopter data are prompted to be needed for prediction;
labeling the predicted DF in the graph and connecting the DF into a line;
in the calculation method of the diopter prediction line, if a user inputs one or more DA values only and at least one DA is larger than the starting age, a prediction curve is given, if the DA larger than the starting age is only one, the HD value and the MI value of the partition boundary line closest to the DA value are taken as prediction parameters, the DA is taken as a starting point, and the calculation method of the partition boundary line is calculated according to the calculation method; if the user inputs a number of DA values greater than the starting age: DA (DA) 1 、DA 2 、……、DA y Selecting a partition boundary line closest to a curve depicted in the graph according to an actual DA value as a reference boundary line, and taking an HD value and an MI value of the partition boundary line closest to the last 2 DA values as prediction parameters;
if all DA values are greater than zero, the last DA value of the user is used y As a diopter origin, if DA y If it is positive, DF y+1 = DA y -HD y ， DF y+2 = DF y+1 -HD y+1 Predicting the remaining DF values according to the method and MI values until the first non-positive DF value appears; if the HD of the reference is used up, when the reference value starts to appear MI, DF is still positive, and the corresponding MI value is adjusted to the last HD value until the first non-positive DF value appears; if the reference HD value is not used up, the MI value is not appeared, the DF value is negative, and the corresponding HD value is adjusted to the first MI of the reference boundary line;
in the DA values, if not all DA values are greater than zero, selecting a partition boundary line closest to a curve depicted in the figure according to an actual DA value as a reference boundary line, taking a corresponding MI value of the reference boundary line as a predicted parameter, and if the MI value of the reference boundary line does not appear, adjusting the corresponding HD value to a first MI value of the reference boundary line or to an MI value of a non-reference boundary line adjacent to the predicted line, taking DA as the predicted parameter y DF as starting point y+1 = DA y -MI y ，DF y+2 = DF y+1 -MI y+1 … … predicts all remaining DF values.
2. The method of claim 1, wherein the corresponding names include a base line, a security line, a primary near line of sight, a secondary near line of sight, and a tertiary near line of sight.
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