In 1858, Poynter developed an eye affection which led to his total blindness.

Without treatment, glaucoma can cause total permanent blindness within a few years.

As the name suggests, it is a progressive disease which will eventually result in total blindness.

He had been stricken with total blindness in August 1951.

However, if left untreated, total blindness could occur in a matter of days.

Vitamin A deficiencies can also lead to partial and even total blindness.

By the time it didn't return to our sight, the mirrors were all outside the zone of total blindness.

He died at Bonn, having been affected with almost total blindness for many years.

So is I per cent vision better than total blindness.

His vision was so bad that he was just as comfortable with total blindness.