How to measure distance visual acuity
oleh: Janet Marsden, Sue Stevens, Anne Ebri
| Format: | Article |
|---|---|
| Diterbitkan: | International Centre for Eye Health (ICEH), London 2014-04-01 |
Deskripsi
Visual acuity (VA) is a measure of the ability of the eye to distinguish shapes and the details of objects at a given distance. It is important to assess VA in a consistent way in order to detect any changes in vision. One eye is tested at a time.