From: Zetsu - 19 May 2008, 17:50
[...Halos
When the eye with normal sight looks at the large letters on the
Snellen test card, at any distance, from twenty feet to six inches or
less, it sees, at the inner and outer edges and in the openings of the
round letters, a white more intense than the margin of the card.
Similarly, when such an eye reads fine print, the spaces between the
lines...
2 Posts. Last post send by: Zetsu - Monday 19 May