CN115624312B

CN115624312B - Ophthalmic eye examination device

Info

Publication number: CN115624312B
Application number: CN202211417553.8A
Authority: CN
Inventors: 蒋剑; 樊聪; 张悦; 杨钰
Original assignee: Xiangya Hospital of Central South University
Current assignee: Xiangya Hospital of Central South University
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-05-09
Anticipated expiration: 2042-11-14
Also published as: CN115624312A

Abstract

The invention discloses an ophthalmic eye examination device which comprises a machine cover, wherein two sides of the top of the machine cover are respectively provided with a strut type II, each strut type II is supported on the top of the machine cover to be used for contacting with an eye examination device of a patient, one end of the examination device is connected with an observation component used for observing the eyes of the patient by a doctor, and the top of the other end of the examination device is provided with a spreading device used for spreading the eyes.

Description

Ophthalmic eye examination device

Technical Field

The invention relates to the technical field of ophthalmic examination, in particular to an ophthalmic examination device.

Background

In hospitals, the eyes are usually inspected by a precise instrument, and the eyes are usually inspected and corrected by visual inspection and correction, namely eye examination and eye surgery.

When a medical staff performs an examination on eyes of a patient, the upper eyelid and the lower eyelid of the patient are required to be propped up so that the medical staff performs a more comprehensive examination on the eyes of the patient, but most of the existing eyelid propping up methods are used for propping up the eyelids of the patient manually by the medical staff, and then the eyes are observed by the device after the head of the patient is put on the device. To this end, we propose an ophthalmic eye examination device.

Disclosure of Invention

The present invention is directed to an ophthalmic eye examination apparatus for solving the problems set forth in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an ophthalmic eye examination device, includes the bonnet, pillar type two is all installed to bonnet top both sides, every pillar type two top supports installs and is used for contacting patient's eye examination device, should examination device one end is connected with the observation subassembly that is used for doctor to observe patient's eye, the strutting arrangement that is used for strutting the patient's eye is installed at the other one end top of examination device, examination device internally mounted has the virtual sense projection subassembly that is used for weakening the light and directly perceives, just observation subassembly and virtual sense projection subassembly communicate together each other.

Preferably, the inspection device comprises an eye pair viewing shell arranged at the bottom of each pillar in a second type mode, and eye sticking strips which are slidably arranged on two sides of one end of the eye pair viewing shell, the observation assembly comprises a light-gathering channel sleeve arranged on one side of the interior of the eye pair viewing shell, a light-shadow conducting cavity arranged on one side of the light-gathering channel sleeve, a reflecting light-transmitting plate arranged on the other side of the light-gathering channel sleeve, and an eyepiece rotatably connected to one end of the light-shadow conducting cavity and used for being observed by a doctor.

Preferably, the spreading device comprises a multi-position fixing plate arranged at the top of the eye pair viewing shell, a transmission plate arranged at the top of one eye patch, a lifting plate arranged at the top of the transmission plate, a first telescopic rod arranged between the lifting plate and the eye pair viewing shell, and a gear sleeve piece arranged between the multi-position fixing plate and the transmission plate and used for driving the eye patch to lift and drive eyelid to lift; the gear sleeve comprises a driving piece connected to the eye pair telescope shell through a shaft, a pair of supporting rods arranged at two ends of the driving piece, a pair of second telescopic rods arranged on the surface of the driving piece, a first pressing block arranged at one end of each supporting rod close to the driving piece, and a control assembly arranged at the side surface of each second telescopic rod and propped against the first pressing block through rotation, wherein a sleeve rod is arranged between the two second telescopic rods, clamping grooves are formed in the surface of the multi-position fixing plate, and the sleeve rod is matched with the clamping grooves of the multi-position fixing plate through rotation of the driving piece shaft; the control assembly comprises a second pressing block which is rotatably connected to the second telescopic rod, a spring arranged on one side of the second pressing block, and a fixing plate arranged at one end of the spring.

Preferably, the eyes are to looking into the inside concave groove of seting up of shell, the virtual projection subassembly is including locating every eyes to looking into the concave mirror of shell inside, locates the eyes to looking into the rotation threaded rod on the shell, and the light filling lamp of sliding in concave groove inside locates the second spout of light filling lamp outer lane, slides inside the second spout and the slider that links to each other with the rotation threaded rod, locates the eyes to looking into the first spout at shell top to and the activity is being used for attracting the gliding magnet of light filling lamp inside first spout.

Preferably, the protective housing is installed at the cover top, protective housing internally mounted has the support eyes to the drive assembly that the shell was expected at the activity of pillar two type tops, drive assembly includes two push rods that locate a pair of eyes respectively to expected the shell opposite face, embolias the third spout of two push rod one ends, offer the fluting in push rod one end, a pair of drive block that runs through the third spout and extends to in the fluting, locate the connecting plate that links together with the drive block on the third spout, locate the drive gear of every connecting plate one end, locate the dead lever on one of them drive gear, locate the first bevel gear of dead lever bottom to and swivelling joint is at the inside second bevel gear with first bevel gear meshing of cover, two drive gear intermeshing is together.

Preferably, the support posts are arranged on two sides of one end of the cover, the sliding strips are slidably arranged between the two support posts, the head attaching strips are arranged on the tops of the sliding strips between the two support posts, and the chin attaching strips are arranged in the middle of the sliding strips.

Preferably, the eye patch is made of soft rubber and has anti-skid performance.

Preferably, an alignment camera for providing a face position reference system is mounted in the middle of the top of the protective shell.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the second support column is arranged above the cover, the eye pair telescopic shell is arranged at the top of the second support column, when a patient touches the eye pair telescopic shell, the eye of the patient slightly lifts upwards when touching the eye pair telescopic shell, then the second telescopic rod is manually adjusted to toggle the second telescopic rod, the lifting plate drives the transmission plate to lift the eye pair telescopic rod attached to the upper eyelid, so that the eyes of the patient can be opened completely, then the eyes of the patient can be cleared completely, the first pressing block passes through the supporting rod when the eye pair telescopic rod lifts, the stability of the lifting plate when the eyelid is lifted again is reinforced by the resilience of the spring, unconscious blinking of the patient is prevented, and diagnosis by a doctor is facilitated;

2. the eye can adjust the irradiation light of the telescope, which is beneficial to avoiding the direct vision of the patient and facilitating the examination of the patient with the eyeball disease;

3. the device can drive first bevel gear through rotatory second bevel gear through the earlier stage of rechecking to through two drive gears as main driving force, make things convenient for eyes to looking for the parallel slip of shell on pillar two type, thereby quick finding patient's pupil's position, easy operation is very convenient again, and whole use is uncomplicated, has very high practicality.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of another view angle structure of the whole present invention;

FIG. 3 is a schematic view of the whole and internal structure of the eye pair telescope according to the present invention;

FIG. 4 is a schematic view of the internal structure of the eye pair telescope according to the present invention;

FIG. 5 is a schematic view of an eye of the present invention versus an additional view of the interior of the viewing housing;

FIG. 6 is a schematic view of the structure of the opening device of the present invention;

FIG. 7 is a schematic view of a driving plate according to the present invention;

FIG. 8 is a schematic view of the structure of FIG. 6B according to the present invention;

FIG. 9 is a schematic view of the eye pair viewing shell and distraction device of the present invention;

FIG. 10 is a schematic view of the structure of the observation assembly of the present invention;

FIG. 11 is a schematic view of an additional view angle structure of the viewing assembly of the present invention;

FIG. 12 is a schematic view of an observation assembly according to the present invention;

FIG. 13 is a schematic view of a virtual sense projection assembly according to the present invention;

FIG. 14 is a schematic view of the structure of FIG. 2A according to the present invention;

FIG. 15 is a schematic view of a driving assembly according to the present invention;

FIG. 16 is a schematic illustration of a partially disassembled drive assembly according to the present invention.

In the figure: 1-a cover; 2-a protective shell; 3-eye pair viewing shell; 301-a concave groove; 4-supporting columns; 401-slide bar; 5-attaching a head strip; 6-prop type II; 7-ocular; 8-a light and shadow conducting cavity; 9-aligning the camera; 10-rotating the threaded rod; 11-a first chute; 12-magnet; 13-opening device; 14-a condensing channel sleeve; 15-concave mirror; 19-a light supplementing lamp; 20-a reflective light-transmitting plate; 21-a second chute; 22-slide block; 23-multi-position fixing plate; 24-lifting plate; 25-a first telescopic rod; 26-driving piece; 27-supporting rods; 28-a drive plate; 29-a first briquette; 30-a second telescopic rod; 31-a second briquetting; 32-a spring; 33-push rod; 34-connecting plates; 35-a transmission gear; 36-a first bevel gear; 37-a second bevel gear; 38-a third chute; 39-a drive block; 40-eye patch.

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 can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-16, the present invention provides a technical solution: an ophthalmic eye examination device comprises a cover 1, wherein two sides of the top of the cover 1 are respectively provided with a pillar type 6, each pillar type 6 is supported and installed on the top of the cover for contacting with an eye examination device of a patient (a doctor and a patient are required to be respectively positioned at two sides of the device when the eye examination device is implemented), one end of the examination device is connected with an observation component for observing the eye of the patient by the doctor, a supporting device 13 is installed at the top of the other end of the examination device and is used for supporting the affected eye, a virtual sense projection component for weakening direct light is installed in the interior of the examination device, the observation component and the virtual sense projection component are mutually communicated, when the examination observation is implemented, the patient should put the head at one end of the examination device, then the eyes are placed on the examination device, then the doctor aligns with the eyes of the patient by observing the observation component at one end of the examination device, then the examination device is manually adjusted to be examined one by one in the eye of the patient, the examination device can be manually adjusted to horizontally slide along the periphery of the eye (an adjusting device of the examination device for moving as expressed below) to determine the distance with pupils, and the eyes are not to see the eyes by the following specific light intensity of the eyes when the eyes are not exposed to the eyes are carried out by the following specific conditions and the direct light and the eye is conveniently implemented in a closed structure mode:

the inspection device is including locating the eyes of every pillar type 6 bottom to looking at shell 3 to and slidable mounting is to looking at eye subsides strip 40 of shell 3 one end both sides (eye subsides strip 40's material is made by soft rubber to have anti-skidding performance), observe the subassembly including locating the eye to looking at the spotlight passageway cover 14 of shell 3 inside one side, locate spotlight passageway cover 14 one side shadow conduction chamber 8 (wherein shadow conduction chamber 8 can be as can know in fig. 10-12, shadow conduction chamber 8 all installs the speculum at every bend inside, do benefit to the transmission image), locate spotlight passageway cover 14 other side reflection light-transmitting plate 20 (reflection light-transmitting plate 20 can directly see through eyes to looking at shell 3 for reflection and equipment capture image, reflection light-transmitting plate 20 reflection's image can direct observation), and swivelling joint is used for eyepiece 7 that doctor observes at shadow conduction chamber 8 one end, wherein be connected with rotatory damping between doctor's 7 and the shadow conduction chamber 8, can rotate between this damping mechanism can contrast or rule level so that the shadow conduction eyepiece 8 can not be adjusted at the same time with the eye lens 7 to the eye shadow conduction of the eye, can not be adjusted at the same time, can not be adjusted the eye shadow conduction of the eye of the doctor's 8, can be adjusted at the same time, can not be adjusted the eye to the eye shadow conduction strip is adjusted to the eye 3, can be adjusted to the eye shadow conduction is different to the eye 3, can be adjusted to the eye shadow is adjusted to the eye shadow conduction lens 7, can be used for the eye is adjusted to the eye is not be adjusted to the eye shadow conduction chamber is used to the eye is used to the eye.

To ensure that the device can be used for implementation and to provide effective help to the doctor is: the opening device 13 comprises a plurality of fixing plates 23 arranged at the top of the eye pair viewing shell 3, a transmission plate 28 arranged at the top of one eye patch 40, a lifting plate 24 arranged at the top of the transmission plate 28, a first telescopic rod 25 arranged between the lifting plate 24 and the eye pair viewing shell 3, and a gear sleeve piece arranged between the fixing plates 23 and the transmission plate 28 and used for driving the eye patch 40 to lift and drive the eyelid to lift, when the opening device is used, a patient needs to cooperate with a doctor to lean on the eye to the eye patch 40, the eye part of the patient after the eye injury is in a edema state, at the moment, the patient needs to independently put the eye into the pair of eye patches 40, according to the fact that the patient is required to slide the eye and the head slightly upwards on the viewing shell 3, so that the eye patch 40 positioned below the eye pair viewing shell 3 does not slide on the eye pair viewing shell 3, the eye patch 40 positioned below the cheekbone bone and the eyelid are gradually separated from the eyelid in the sliding process, and then the eyelid is completely matched with the eyelid, and the key part is completely exposed when the eye patch is completely supported by the following the key part of the eye patch is completely opened according to the key way that the eye patch is fully opened:

the gear sleeve comprises a driving piece 26 which is connected to the telescopic shell 3 through an axis, a pair of supporting rods 27 which are arranged at two ends of the driving piece 26, a pair of second telescopic rods 30 which are arranged on the surface of the driving piece 26, a first pressing block 29 which is arranged at one end of each supporting rod 27 close to the driving piece 26, and a control component which is arranged at the side surface of each second telescopic rod 30 and is abutted against the first pressing block 29 through rotation, wherein a sleeve rod is arranged between the two second telescopic rods 30, the surfaces of the multiple fixed plates 23 are provided with clamping grooves, the sleeve rod is matched with the clamping grooves of the multiple fixed plates 23 through the rotation of the driving piece 26, as shown in fig. 6-9, when the eyelid is opened, a doctor can compress and close the two second telescopic rods 30 towards the multiple fixed plates 23 by hand at the moment, in the process, the second telescopic rods 30 are rotated and move at the top of the telescopic shell 3 through the axis of the eye, so that the driving piece 26 and the second telescopic rods 30 are in the same angle, and then, when the driving piece 26 rotates, the driving piece 26 is rotated, the rotating cambered surface drives the lifting plate 24, the lifting plate 24 is lifted, and the lifting plate 24 is driven by the rolling rod is lifted, and the lifting component is prevented from lifting up by the eye 40, and the eye is lifted up by the eye, and the eye is lifted up by the lifting component, and the eye is prevented from the eye lifting assembly;

the control assembly comprises a second pressing block 31 rotatably connected to a second telescopic rod 30, a spring 32 arranged on one side of the second pressing block 31, and a fixed plate arranged at one end of the spring 32, when a driving piece 26 rotates, when an eye sticking strip 40 is abutted against a supporting rod 27, the supporting rod 27 is synchronously driven to rotate, when the supporting rod 27 rotates to a certain degree, the first pressing block 29 and the second pressing block 31 are abutted against each other, then the spring 32 is compressed, the first pressing block 29 passes over the second pressing block 31, and then a doctor buckles a loop bar arranged between the second telescopic rods 30 on a clamping groove of a multi-position fixed plate 23 by using hands, so that an upper eyelid can be clamped;

the doctor can put down the hand to observe the condition of the eyeballs of the eyes of the patient, and the image is transmitted to the computer through the camera of the device during observation.

The eyes are to looking at the inside recess 301 of seting up of shell 3, the projection subassembly is felt to virtually including locating every eyes and looking at the inside concave mirror 15 of shell 3, locate the eyes and to looking at the rotation threaded rod 10 on the shell 3, slide the light filling lamp 19 (light filling lamp 19 liftable activity in the inside of recess 301, light filling lamp 19 top can be the telescopic link) inside the recess 301, locate the second spout 21 of light filling lamp 19 outer lane, slide in the inside of second spout 21 and the slider 22 that links to each other with rotation threaded rod 10, locate the eyes and look at the first spout 11 inside of shell 3, and the activity is used for attracting the gliding magnet 12 of light filling lamp 19 in first spout 11, in the in-process of whole inspection, until doctor puts down the hand before needs doctor's manual adjustment light filling lamp 19, in-process of adjusting, need manual rotation threaded rod 10, drive light filling lamp 19 and can be adjusted in the inside of shell 3 to looking at the eye, in light filling lamp 19, because light filling lamp 19 has the second spout 21 of the inside of diverging physical light spout of second spout 21 and the slider 22 that links to each other with rotation threaded rod 10, locate the eyes and look at the concave mirror 15, can also be convenient for find light filling lamp 19 and directly when light filling lamp 19 is directly changed light filling lamp 19 and light source position at the top light filling lamp 19, can be directly be reached at the light filling lamp 19, the light source position is not be adjusted at the concave mirror 19, the light filling lamp 19.

The top of the cover 1 is provided with a protective shell 2, the inside of the protective shell 2 is provided with a driving component for supporting the eyes to the telescope 3 to move at the top of the strut II type 6, the driving component comprises two push rods 33 respectively arranged at the opposite sides of the pair of eyes to the telescope 3, a third sliding groove 38 sleeved at one end of the two push rods 33, a slot arranged at one end of the push rods 33, a pair of driving blocks 39 extending into the slot through the third sliding groove 38, a connecting plate 34 (and the driving blocks 39 rotate) arranged on the third sliding groove 38 and connected with the driving blocks 39, a transmission gear 35 (fixed with the connecting plate 34) arranged at one end of each connecting plate 34, a fixed rod arranged on one of the transmission gears 35, a first bevel gear 36 arranged at the bottom of the fixed rod, and a second bevel gear 37 meshed with the first bevel gear 36 in the inside of the cover 1 in a rotating way, the two transmission gears 35 are meshed with each other, since the pupil distance of each person is considered to be different, when the eyes are required to be aligned with eyes to the telescope 3 during the inspection of the equipment, a doctor is convenient to find pupils, at the moment, the eyes of the patient need to be attached to the eye attachment strip 40, the patient can expose half of the eyeballs when opening the lower eyelid, then manually control the rotating rod connected with the second bevel gear 37, then the second bevel gear 37 drives the first bevel gear 36 to rotate, the first bevel gear 36 rotates to drive the two transmission gears 35 meshed with each other, each transmission gear 35 rotates to drive the connecting plate 34 to rotate, the driving block 39 is driven to slide on the push rod 33 and the third sliding groove 38 respectively during the rotation of the connecting plate 34, and the driving block 39 drives the push rod 33 by pushing the slotting, sliding in parallel on the third chute 38 allows the eye pair to be aligned with the pupil in the middle of the viewing housing 3 (in fig. 2).

The two sides of one end of the cover 1 are provided with the supporting posts 4, a sliding bar 401 is slidably arranged between the two supporting posts 4, a head attaching bar 5 is arranged at the top of the sliding bar 401 between the two supporting posts 4, a chin attaching bar is arranged in the middle of the sliding bar 401, when eyes of a patient need to be attached to the eye attaching bar 40, in the process, the head of the patient needs to be upwards displaced for a certain distance to open lower eyelid, then, in the time, the patient can slide the sliding bar 401 along the support posts 4 by hands or other people until the chin contact bar contacts the chin, and then the sliding bar 401 is fastened on the support posts 4 by the two-side threaded fastening knob, and in the time, the head of the patient can be fixed on the device, so that the doctor can operate by a single person.

The top middle part of the protective shell 2 is provided with an alignment camera 9 for providing a face position reference system, and the alignment camera 9 is a common device for emitting criss-cross ray light sources.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Ophthalmic eye examination device, comprising a cover (1), characterized in that: two sides of the top of the cover (1) are provided with a second pillar type (6), the top support of each second pillar type (6) is provided with an inspection device for contacting eyes of a patient, one end of the inspection device is connected with an observation assembly for a doctor to observe the eyes of the patient, the top of the other end of the inspection device is provided with a spreading device (13) for spreading the eyes of the patient, the interior of the inspection device is provided with a virtual sense projection assembly for weakening direct light rays, and the observation assembly and the virtual sense projection assembly are mutually communicated; the inspection device comprises an eye pair viewing shell (3) arranged at the bottom of each pillar type II (6), and eye sticking strips (40) which are slidably arranged at two sides of one end of the eye pair viewing shell (3), wherein the observation assembly comprises a light-gathering channel sleeve (14) arranged at one side of the interior of the eye pair viewing shell (3), a light-shadow conducting cavity (8) arranged at one side of the light-gathering channel sleeve (14), a reflecting light-transmitting plate (20) arranged at the other side of the light-gathering channel sleeve (14), and an eyepiece (7) rotatably connected at one end of the light-shadow conducting cavity (8) and used for observation by doctors; the opening device (13) comprises a multi-position fixing plate (23) arranged at the top of each eye pair viewing shell (3), a transmission plate (28) arranged at the top of one eye patch (40), a lifting plate (24) arranged at the top of the transmission plate (28), a first telescopic rod (25) arranged between the lifting plate (24) and the eye pair viewing shell (3), and a gear sleeve piece arranged between the multi-position fixing plate (23) and the transmission plate (28) and used for driving the eye patch (40) to lift and drive eyelid to lift; the gear sleeve comprises a driving piece (26) connected to the opposite-to-viewing shell (3) through a shaft, a pair of supporting rods (27) arranged at two ends of the driving piece (26), a pair of second telescopic rods (30) arranged on the surface of the driving piece (26), a first pressing block (29) arranged at one end of each supporting rod (27) close to the driving piece (26), and a control assembly arranged at the side surface of each second telescopic rod (30) and propped against the first pressing block (29) through rotation, wherein a sleeve rod is arranged between the two second telescopic rods (30), clamping grooves are formed in the surface of the multi-position fixing plate (23), and the sleeve rod is matched with the clamping grooves of the multi-position fixing plate (23) through shaft rotation of the driving piece (26); the control assembly comprises a second pressing block (31) rotatably connected to the second telescopic rod (30), a spring (32) arranged on one side of the second pressing block (31), and a fixing plate arranged at one end of the spring (32); the eye is to looking into inside concave groove (301) of having seted up of shell (3), virtual sense projection assembly is including locating every eye to looking into inside concave mirror (15) of shell (3), locate the eye to looking into rotation threaded rod (10) on shell (3), slide in concave groove (301) inside light filling lamp (19), locate second spout (21) of light filling lamp (19) outer lane, slide inside second spout (21) and with rotation threaded rod (10) continuous slider (22), locate the eye to looking into first spout (11) at shell (3) top to and the activity is used for attracting light filling lamp (19) gliding magnet (12) inside first spout (11).

2. An ophthalmic eye examination apparatus as claimed in claim 1, wherein: the utility model provides a motor cover, including casing (1), casing (2) are installed at casing (1) top, casing (2) internally mounted has the drive assembly that supports eyes to looking at casing (3) at pillar two type (6) top activity, drive assembly includes two push rods (33) that locate a pair of eyes to looking at casing (3) opposite face respectively, embolia third spout (38) of two push rods (33) one end, set up the fluting in push rod (33) one end, a pair of drive piece (39) that run through third spout (38) and extend to in the fluting, locate connecting plate (34) that link together with drive piece (39) on third spout (38), locate drive gear (35) of every connecting plate (34) one end, locate the dead lever on one of them drive gear (35), locate first bevel gear (36) of dead lever bottom, and swivelling joint is in casing (1) inside and first bevel gear (36) engaged second bevel gear (37), two drive gear (35) intermeshing together.

3. An ophthalmic eye examination apparatus as claimed in claim 2, wherein: the two sides of one end of the cover (1) are provided with the supporting posts (4), a sliding bar (401) is arranged between the two supporting posts (4) in a sliding way, a head attaching strip (5) is arranged at the top of the sliding strip (401) between the two support posts (4), and a chin attaching strip is arranged in the middle of the sliding strip (401).

4. An ophthalmic eye examination apparatus as claimed in claim 3, wherein: the eye patch (40) is made of soft rubber and has anti-skid performance.

5. An ophthalmic eye examination apparatus as claimed in claim 4, wherein: an alignment camera (9) for providing a face position reference system is arranged in the middle of the top of the protective shell (2).