Top Posters
Since Sunday
I
3
3
p
2
w
2
y
2
J
2
Q
2
r
2
o
2
e
2
j
2
d
2
SlideshowReport

Snellen chart

Description
A: Snellen chart; B: client stands 20 feet from chart.  
Related Images
Add Comment
Explore
Post your homework questions and get free online help from our incredible volunteers
  548 People Browsing
Show Emoticons
:):(;):P:D:|:O:?:nerd:8o:glasses::-):-(:-*O:-D>:-D:o):idea::important::help::error::warning::favorite:
Your Opinion
Do you believe in global warming?
Votes: 488

Previous poll results: What's your favorite math subject?