Hi, Please help me out.
On the Snellen's at 3M , 4M and 6M distance.. how large should the 6/9 and 6/6 character in milimeters.
how to calculate and answers please.:cry:
Type: Posts; User: chanaka; Keyword(s):
Hi, Please help me out.
On the Snellen's at 3M , 4M and 6M distance.. how large should the 6/9 and 6/6 character in milimeters.
how to calculate and answers please.:cry: