Distant direct ophthalmoscopy is done at
Ans. (b) 25 cmDistant direct ophthalmoscopy is done from a distance of 20 - 25 cm, and the features of the red reflex are noted.Option a/d are the same (mathematical conversion), so rule them out distance for retionscopy.Option c - distance for Direct ophthalmoscopy.
100 cm
25 cm
As close to the face as possible
1 m
Retina