snellen visual acuity chart

Product Overview

Description

snellen visual acuity chart

 

LED Liht , more steady.

6M use distance.

 

LED Light , more steady.

6M use distance.

 

 

LED BACKLIGHT VISION TESTING(PATENT PRODUCT)
Standardized and uniform illumination
Clearly printed optotypes
Can be placed on a table, or hung on a wall
Controlled  by manual, (remote optional)
Power supply:AC100~240V(by power adapter), or DC 12V (by optional battery)

 

Including optotype, astigmatism chart ,red/green bar,.Each part can be illuminated

 

spearatedly.

Size:80cm*28.3cm*1.8cm
Test distance :6m

 

light	led light
working distance	6M
Size	80*28.3*1.8cm
power	AC100~240V(by power adapter), or DC 12V (by optional battery)