It was just a filling up of the opening of the eye.
"So I know you lost sight in that last eye little by little, as you did in the other.

You kept on knitting all the time.

On your way out you struck the glare from the white sands of the plains in the dry country.
At once the inflammation finished its exudation--and you were blind." She sat motionless.
"Sometimes we take off the film of a cataract from the eye; sometimes even we can take out the crystalline lens and substitute a heavy lens in glasses to be worn by the patient." "But in my case you intend to cut out that exudation from the pupil ?" "No.

I wish we could.

What we do is to cut a little key-hole aperture, not through the pupil, but at one side the pupil.