Prompt, that means " vision of 40 % on both eyes ". It the oculist mine has told or said...

[Olga]

Prompt, that means " vision of 40 % on both eyes ". It the oculist to my son has told or said. To the doctor to go only to Friday, and I to myself do not find a place. One year ago at it or him was - 0, 5. Also what for 40 % now?

[Ryzhkov S.V]

It means, that he sees only 40 % of world around, and vision falls.