Can you tell me all the types of Snellen chart?
January 8th, 2009
tnks
There are many different kinds of visual acuity charts, they have various names and I could not begin to name them all.
nodal rings C ( in wish direction)
alphabets chart ( distinguish the letters)
lines chart ( if it's horizontal or vertical)
picture cahrt (for children)
number chart (distinguish the number)
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