Telegraphic Transfer (T/T) Cash in Advance (CID) Cheque Cash Advance (CA)
1 Piece Per Week
1 Week
Western Europe North America Central America Eastern Europe Middle East South America Asia Australia Africa
All India
Product Description
LED Chart Single Language
The classic example of an eye chart is the Snellen eye chart, developed by Dutch eye doctor Hermann Snellen in the 1860s. There are many variations of the Snellen eye chart, but in general they show 11 rows of capital letters. The top row contains one letter (usually the "big E," but other letters can be used). The other rows contain letters that are progressively smaller.