| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 3,900,529,421 visitors served. |
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
Kollner's.König bars rule |
0.04 sec. |
|
|
rule, Kollner's.König bars Target used to measure visual acuity consisting of two bars on a white background. The length of each bar is usually three times its width but the space between the bars is always equal to the width of one bar. The smallest pair of bars that can be perceived as separate gives a measure of the acuity. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
|
| Medical Dictionary |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup |
|---|