Snellen Chart Help (Used Online one)

General forum for the UK Keratoconus and self-help group members.

Click on the forum name, General Discussion Forum, above.

Moderators: Anne Klepacz, John Smith, Sweet

User avatar
Andrew MacLean
Moderator
Moderator
Posts: 7703
Joined: Thu 15 Jan 2004 8:01 pm
Keratoconus: Yes, I have KC
Vision: Other
Location: Scotland

Postby Andrew MacLean » Tue 18 Apr 2006 5:31 pm

I understand from friends who are physicists that this quality of eyesight is not unknown even today: it is just extremely rare.

The only magnification available in the ancient world would have been reflective rather than refractive. glass was made, but never to anything approaching an optical standard.

Andrew
Andrew MacLean


Return to “General Discussion Forum”

Who is online

Users browsing this forum: No registered users and 52 guests