Hi,
we have been to a retina specialist, his eyes are fine, problem lies with the circulation of blood in the veins of his eyes which is reducing[which is reducing his field of vision, its turning his eyesight like binocular vision- we have had him checked for glucoma also ], sorry to say but doctors here at Shankar Nethralya[
Chennai, India] dont have the name for such a condition, i have all the reports even M.R.