CN1781443A - Method for detecting diopter suitable for juvenile shortsightedness - Google Patents
Method for detecting diopter suitable for juvenile shortsightedness Download PDFInfo
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Abstract
The method for detecting diopter suitable for juvenile myopia includes two processes of objective optometry and subjective optometry. During subjective optometry, the eyes of the testee is adjusted and relaxed in two steps including near distance one and far distance one, and the detected diopter is trimmed via red-green test and double eye balance and has the precision similar to that obtained after medicine pupillo dilation. The method of the present invention has no damage on the regulating mechanism of eyes and makes it possible for the testee to try glasses immediately, resulting in high optometry efficiency.
Description
Technical field
The present invention relates to a kind of method for detecting diopter of suitable juvenile myopia.
Background technology
Before getting the right lensses for one's eyeglasses, to carry out optometry, promptly detect the diopter of eyes.Most importantly the teenager optometry will understand the composition of pseudomyopia in true myopia or pseudomyopia or the mixed myopia, only can wearing spectacles when being defined as true myopia.Pseudomyopia is that pseudomyopia is reversible owing to look nearly momentary change due to the nervous spasm of accommodation of ciliary muscle for a long time, and after regulating muscle loosened, pseudomyopia had not just had.The method of removing pseudomyopia is proper, for being pseudomyopia, also may be mixed myopia the adolescent myopia patient its join mirror diopter error will be little.
In the prior art, it is to carry out mydriasis earlier before the optometry that the adolescent myopia patient is detected dioptric method, and the purpose of mydriasis is loosened ciliary muscle exactly, allows human eye reduce and regulates, and is convenient to accurately check diopter.To in eye, drip the mydriasis medicament for the eyes during mydriasis, treat the platycoria of eyes, optometry again after the eyes ciliary muscle relaxes fully, the degree of accuracy of the ophthalmic refractive degree that detects like this is just than higher.But behind the medicine mydriasis, patient's eye pupil is at 3-4 days, even 2-3 is in mydriatic state always in week, and at this moment, the patient keeps in dark place and can not normally learn, and this comes lecture to have a strong impact on its studying and living to teenager.In addition, the result of mydriasis inspection can not also need to review after the pupil withdrawal recovery as the result who joins mirror again.It is to require to wear under the situation of nature that people wear glasses, and requires to look that thing is clear, comfortable, the walking nature, generally can not be fully joins mirror according to the result of mydriasis.
Summary of the invention
The objective of the invention is to improve deficiency of the prior art, a kind of medicine mydriasis that need not to use is provided, and the optometry degree of accuracy is suitable with the medicine mydriasis, and patient's eyes after optometry can recover the method for detecting diopter of the suitable juvenile myopia of normal function rapidly.
The step of the method for detecting diopter of suitable juvenile myopia provided by the invention is as follows:
Step 1: objective refraction
By the inspection shadow or the computerized optometry method of routine, Preliminary detection joins mirror person's eyes diopter;
Step 2: subjective optometry
(1) eyes are closely regulated loosened
Before tested eyes, add eyeglass on the trial frame, to add the lens optical parameter as follows: diopter of correction on the diopter basis that objective refraction obtains, to add+2.00～+ 3.00DS, the prism number of degrees are the 7-9 Δ, prism substrate is towards inwardly.Make the examinee see through eyeglass and under distance 30-40 centimetre distance, continue reading 15-20 minute, tentatively make eyes loosen adjusting.
(2) eyes are regulated at a distance loosened
The prism degree of eyeglass on the trial frame before the tested eyes is reduced to 2 Δs, and diopter of correction is constant, sees 5 meters 0.1-0.3 sighting targets 5-10 minute, makes eyes further loosen adjusting
(3) remove prism on the trial frame, add black-film before the left eye, check right eye earlier.The diopter of correction before the right eye that progressively successively decreases is seen 5 meters sighting targets at a distance, until the person's that joins the mirror vision reach best till.When successively decreasing diopter of correction with successively decrease at every turn-0.25DS is advisable;
(4) red green test
Make the examinee see through the aforementioned red green sighting target that makes vision reach best 5 meters distant places of eyeglass viewing distance, see green sighting target earlier, see red sighting target again, more the sort of painted sighting target is more clear, if feel that red sighting target is more clear, then diopter of correction is reduced, if feel that green sighting target is more clear, then diopter of correction is increased, till the sighting target of seeing two kinds of colors is equally clear;
(5) astigmatism test---crossed cylinders
1, determines the astigmatism axle, aim at determine in the aforementioned objective refraction scattered-light axial, handle reverse with the handle of crossed cylinder lens; Axially feel clearly red some direction rotation of the side scattered-light to the examinee, equally clear up to the rotary handle both sides;
2, determine the scattered-light number of degrees, handle reverse, clear when red point is aimed at aforementioned axis, add-0.25DC; Clear adding+0.25DC, is equally clear up to both sides during the white point aiming axis;
(6) right eye hides, and left eye is opened, and measures left eye by (3) (4) (5) method
(7) binocular balance inspection
Eyes go to hide, and add before eyes+0.75DS, make eyes be in mist and look state, and vision is about 0.6 at this moment, and available prism or polaroid separate sighting target that eyes are seen.If the binocular vision imbalance should suitably be adjusted concave-sphere, make the binocular vision balance.
(8) obtain best vision
Reduce the diopter of correction of the mist visor sheet of eyes simultaneously on aforementioned basis, detect by visual acuity chart and make binocular vision reach optimum state, diopter of correction, post mirror degree, the post mirror of eyeglass axially are the person's that joins the mirror real diopter before this moment eyes.
The method for detecting diopter of suitable juvenile myopia disclosed by the invention, it is in subjective optometry, undertaken closely loosening eyes are fully loosened by eyes with the adjusting of remote 2 steps to the patient, the diopter of examining by red green test and binocular balance accurate adjustment, the diopter that draws with suitable with the diopter degree of accuracy that obtains behind the medicine mydriasis.Use this method, the regulative mechanism of patient's eyes does not have destroyed, can not bring the discomfort that detects the back long period to the patient.In addition, by this method optometry, the juvenile myopia patient can show on trial immediately.And behind the medicine mydriasis, need wait until after the eyes regulative mechanism recovers fully and just can show on trial.Therefore, this method also has optometry and joins the mirror high-efficiency characteristics.
The specific embodiment
Embodiment 1:
The step of the method for detecting diopter of suitable juvenile myopia provided by the invention is as follows:
Step 1: objective refraction
By the retinoscopy optometry method of routine, Preliminary detection joins mirror person's eyes diopter;
Step 2: subjective optometry
(1) eyes are closely regulated loosened
Before tested eyes, add eyeglass on the trial frame, to add the lens optical parameter as follows: diopter of correction is for to add+2.00DS on the diopter basis that objective refraction obtains, and the prism number of degrees are 7 Δs, and prism substrate is towards inwardly.Make the examinee see through eyeglass and under 33 centimetres distance of distance, continue reading 15 minutes, tentatively make eyes loosen adjusting.
(2) eyes are regulated at a distance loosened
The prism degree of eyeglass on the trial frame before the tested eyes is reduced to 2 Δs, and diopter of correction is constant, sees 5 meters, 0.2 sighting target 5 minutes, makes eyes further loosen adjusting
(3) remove prism on the trial frame, add black-film before the left eye, check right eye earlier.The diopter of correction before the right eye that progressively successively decreases is seen 5 meters sighting targets at a distance, until the person's that joins the mirror vision reach best till, when successively decreasing diopter of correction with successively decrease at every turn-0.25DS is advisable;
(4) red green test
Make the examinee see through the aforementioned red green sighting target that makes vision reach best 5 meters distant places of eyeglass viewing distance, see green sighting target earlier, see red sighting target again, more the sort of painted sighting target is more clear, if feel that red sighting target is more clear, then diopter of correction is reduced, if feel that green sighting target is more clear, then diopter of correction is increased, till the sighting target of seeing two kinds of colors is equally clear;
(5) astigmatism test---crossed cylinders
1, determines the astigmatism axle, aim at determine in the aforementioned objective refraction scattered-light axial, handle reverse with the handle of crossed cylinder lens; Axially feel clearly red some direction rotation of the side scattered-light to the examinee, equally clear up to the rotary handle both sides;
2, determine the scattered-light number of degrees, handle reverse, clear when red point is aimed at aforementioned axis, add-0.25DC; Clear adding+0.25DC, is equally clear up to both sides during the white point aiming axis;
(6) right eye hides, and left eye is opened, and measures left eye by (3) (4) (5) method
(7) binocular balance inspection
Eyes go to hide, and add before eyes+0.75DS, make eyes be in mist and look state, and vision is about 0.6 at this moment, and available prism separates sighting target that eyes are seen.If the binocular vision imbalance should suitably be adjusted concave-sphere, make binocular vision balance, adjustment.Reduce the added mist visor of eyes sheet then simultaneously, make binocular vision reach optimum state.
(8) obtain best vision
Reduce the diopter of correction of the mist visor sheet of eyes simultaneously on aforementioned basis, detect by visual acuity chart and make binocular vision reach optimum state, diopter of correction, post mirror degree, the post mirror of eyeglass axially are the person's that joins the mirror real diopter before this moment eyes.
If the patient is a pseudomyopia, the diopter that optometry obtains through this method is normal value, like this, just can be unworthy of mirror.If the patient is mixed myopia or true myopia, by this method optometry, can effectively remove pseudomyopia diopter composition, obtain the diopter of true myopia, wear the glasses of the suitable number of degrees and correct.By this method, the eyes regulative mechanism is normal, if get the right lensses for one's eyeglasses, can carry out next step immediately: try on:
Put on trial frame, the eyeglass before the eyes of step (8) is inserted trial frame, try on.
Embodiment 2:
The step of the method for detecting diopter of the suitable juvenile myopia that provides is as follows:
Step 1: objective refraction
By the computerized optometry method of routine, Preliminary detection joins mirror person's eyes diopter;
Step 2: subjective optometry
(1) eyes are closely regulated loosened
Before tested eyes, add eyeglass on the trial frame, to add the lens optical parameter as follows: diopter of correction is for to add+3.00DS on the diopter basis that objective refraction obtains, and the prism number of degrees are 9 Δs, and prism substrate is towards inwardly.Make the examinee see through eyeglass and under 40 centimetres distance of distance, continue reading 20 minutes, tentatively make eyes loosen adjusting.
(2) eyes are regulated at a distance loosened
The prism degree of eyeglass on the trial frame before the tested eyes is reduced to 2 Δs, and diopter of correction is constant, sees 5 meters 0.1-0.2 sighting targets 10 minutes, makes eyes further loosen adjusting
(3) remove prism on the trial frame, add black-film before the left eye, check right eye earlier.The diopter of correction before the right eye that progressively successively decreases is seen 5 meters sighting targets at a distance, until the person's that joins the mirror vision reach best till, when successively decreasing diopter of correction with successively decrease at every turn-0.25DS is advisable;
(4) red green test
Make the examinee see through the aforementioned red green sighting target that makes vision reach best 5 meters distant places of eyeglass viewing distance, see green sighting target earlier, see red sighting target again, more the sort of painted sighting target is more clear, if feel that red sighting target is more clear, then diopter of correction is reduced, if feel that green sighting target is more clear, then diopter of correction is increased, till the sighting target of seeing two kinds of colors is equally clear;
(5) astigmatism test---crossed cylinders
1, determines the astigmatism axle, aim at determine in the aforementioned objective refraction scattered-light axial, handle reverse with the handle of crossed cylinder lens; Axially feel clearly red some direction rotation of the side scattered-light to the examinee, equally clear up to the rotary handle both sides;
2, determine the scattered-light number of degrees, handle reverse, clear when red point is aimed at aforementioned axis, add-0.25DC; Clear adding+.25DC, is equally clear up to both sides during the white point aiming axis;
(6) right eye hides, and left eye is opened, and measures left eye by (3) (4) (5) method
(7) binocular balance inspection
Eyes go to hide, and add before eyes+0.75DS, make eyes be in mist and look state, and vision is about 0.6 at this moment, and available polaroid separates sighting target that eyes are seen.If the binocular vision imbalance should suitably be adjusted concave-sphere, make the binocular vision balance.Reduce the added mist visor of eyes sheet then simultaneously, make binocular vision reach optimum state.
Each step of back is with embodiment 1.
Claims (2)
1, a kind of method for detecting diopter of suitable juvenile myopia, its step is as follows:
Step 1: objective refraction
By the inspection shadow or the computerized optometry method of routine, Preliminary detection joins mirror person's eyes diopter;
Step 2: subjective optometry
(1) eyes are closely regulated loosened
Before tested eyes, add eyeglass on the trial frame, to add the lens optical parameter as follows: diopter of correction on the diopter basis that objective refraction obtains, to add+2.00～+ 3.00DS, the prism number of degrees are the 7-9 Δ, prism substrate is towards inwardly; Make the examinee see through eyeglass and under distance 30-40 centimetre distance, continue reading 15-20 minute, tentatively make eyes loosen adjusting.
(2) eyes are regulated at a distance loosened
The prism degree of eyeglass on the trial frame before the tested eyes is reduced to 2 Δs, and diopter of correction is constant, sees 5 meters 0.1-0.3 sighting targets 5-10 minute, makes eyes further loosen adjusting;
(3) remove prism on the trial frame, add black-film before the left eye, check right eye earlier.The diopter of correction before the right eye that progressively successively decreases is seen 5 meters sighting targets at a distance, until the person's that joins the mirror vision reach best till;
(4) red green test
Make the examinee see through the aforementioned red green sighting target that makes vision reach best 5 meters distant places of eyeglass viewing distance, see green sighting target earlier, see red sighting target again, more the sort of painted sighting target is more clear, if feel that red sighting target is more clear, then diopter of correction is reduced, if feel that green sighting target is more clear, then diopter of correction is increased, till the sighting target of seeing two kinds of colors is equally clear;
(5) astigmatism test---crossed cylinders
1, determines the astigmatism axle, aim at determine in the aforementioned objective refraction scattered-light axial, handle reverse with the handle of crossed cylinder lens; Axially feel clearly red some direction rotation of the side scattered-light to the examinee, equally clear up to the rotary handle both sides;
2, determine the scattered-light number of degrees, handle reverse, clear when red point is aimed at aforementioned axis, add-0.25DC; Clear adding+0.25DC, is equally clear up to both sides during the white point aiming axis;
(6) right eye hides, and left eye is opened, and measures left eye by (3) (4) (5) method
(7) binocular balance inspection
Eyes go to hide, and add before eyes+0.75DS, make eyes be in mist and look state, and vision is about 0.6 at this moment, and available prism or polaroid separate sighting target that eyes are seen.If the binocular vision imbalance should suitably be adjusted concave-sphere, make the binocular vision balance.
(8) obtain best vision
Reduce the diopter of correction of the mist visor sheet of eyes simultaneously on aforementioned basis, detect by visual acuity chart and make binocular vision reach optimum state, diopter of correction, post mirror degree, the post mirror of eyeglass axially are the person's that joins the mirror real diopter before this moment eyes.
2, method for detecting diopter according to claim 1 is characterized in that: progressively successively decrease when diopter of correction successively decreases diopter of correction at the moment in (3) and (6) in the described step 2, successively decrease-0.25DS at every turn.
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| CN 200410096633 CN1781443A (en) | 2004-12-03 | 2004-12-03 | Method for detecting diopter suitable for juvenile shortsightedness |
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- 2004-12-03 CN CN 200410096633 patent/CN1781443A/en active Pending
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