He'd had cataract surgery.

Six months ago I had an operation for the cataract in my right eye.

Were Niagara but a cataract of sand, would you travel your thousand miles to see it?

And you know what, that trip, that thousand kilometers, it raised enough money for 6,000 cataract eye operations.

Instead of finding out what we thought was the case that blindness was caused mostly by glaucoma and trachoma we were astounded to find out that blindness was caused instead by cataract.