Message:

<p>[QUOTE=&quot;Luke1988, post: 988648, member: 26830&quot;]Without help from a magnifier at what grade is it no longer possible for the human eye to tell the difference? This question is assuming you have 20/20 eye sight.[/QUOTE]</p><p><br /></p>

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in