Ishara Book

Product Details:

Number Of Plates38
Weight300 Gm
ColorMulti Colour
Book NameIshihara

Sugra Optical provide Eye Testing Instrument for test of color blindness in which a series of plate is designed to provide quick and accurate assessment of color vision deficiency of congenital origin. This type of disease is the most common form of color vision disturbances and is usually seen now-a-days. Our test of color blindness is very effective and is carried out with high accuracy.


  • Optimum performance
  • Longer durability
  • Cost effective


LCD17-inch GXA Panel
Distance2 M -7M (in steps of 0.1M) / 6inch-24feet (in steps of 0.5 foot)
Brightness160 cd/m2
OptometryE, C, Letter, Number, Children
Test functionSchober Test, Worth Test, Cross Grid, Coincidence Test etc.
Mask typeChange of the background, Single mask, Horizontal mask,Vertical mask,
Visus unit5-Grade, Decimal, LogMAR, Snellen(ft), Snellen (M)
Other functionsoptotype random display
Mirror imageUse with path folding mirror possible
PowerInput: 110-230V AC +-10%, 50/60Hz Output: 12V DC
Power consumption20 Watt(max)
Vision chart Dimension420 mm×350 mm×40mm(L/W/H)
Net Weight300 Gram