YZ23B Synoptophore (hospital type)

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YZ23B Synoptophore is an ophthalmic instrument designed with optical, mechanical and electrical technology, which can be applied in diagnosing and 
\treating various binocular functions, such as strabismus, amblyopia, diplopia, heterophoria, etc.


Diagnosis and treatment combined with  the functions of simultaneous perception, fusion, stereopsis, red reflex and after-image.

Equipped with a pair of Haidingers Brush and 20 pairs of pictures with different functions.

Using transflective reflector in the design of viewing system to facilitate the user to observe ocular position.

Using advanced LED light in the illumination with even illumination, low heat and long service life. 

Pictures designed by new technology are anti-broken and has long service life.

Manual or automatic coruscation with accurate frequency and various type is at user's option.

Optional pictures are provided for quantitative measuring of stereopsis acuity (40”~1000”).




Diameter of Field


Red Light

λ = 640nm coruscation system

Left and right tubes rotate around vertical axis

converging 50°, diverging 40°

Left and right tubes rotate around horizontal axis


Pictures of left and right can be moved up and down according optical axis


Pictures of left and right rotate around optical axis


Pupilary Adjustment


Darkroom Illumination

LED bulb with symmetry design

Adjustable Haidingers Brush

50~100 round/minute

Coruscation Form

manual or automatic

Automatic Coruscation Frequency

10-Steps, 30~300 times/minute

Range of Automatic Coruscation ( each cycle)

1/4 on 3/4 off, 1/2 on 1/2 off, 3/4 on 1/4 off

Type of Automatic Coruscation

Left and right can be turned on or off at the same time

Left and right can be turned on or off alternatively

One on and the other off

One on or off while the other can be turned on or off


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