At the friend the different sizes of pupils at the certain illumination or coverage (a difference porjad...

[Victor]

At the friend the different sizes of pupils at the certain illumination or coverage (a difference of the order of 2..3 mm in diameter). In the rest vision in norm or rate. In what the reason and whether it is fraught with something?

[Sachkova O.J.]

The reasons can be much (since non-uniform illuminating intensity). Advise your friend to visit or attend the neuropathologist and the ophthalmologist.