Distance visual acuity test. Chart with different orientation of the capital letter 'E' as used to test acuity of distance vision. One eye is covered and the patient,placed at the correct distance,is asked which way round the 'E' letters are on the line being used for the test | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / MCS |
Taille de l’image : | 3412 px × 5126 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |