What common affliction makes the lens of the eye go opaque?

More Questions:

How long, in yards, is an NFL football field?

Which Commodore-produced computer came with 5 kB of static onboard memory?

Who wrote the famous poem "The Waste Land"?

What area of the Atlantic is said to be responsible for the disappearance of ships and aircraft?

Where are the Guiana Highlands located?

What movie starring George Clooney and Mark Wahlberg takes place during the Gulf War?

How many friends are featured on the TV show "Friends"?

Who were Bobby Hatfield and Bill Medley better known as?

What 1984 song by Prince was his first to hit #1 on the Billboard chArts?

What year did the TV show "30 Rock" end its 7 year run?

Adlai Stevenson was Senator of which US state?

Which British telephone number first came into use in 1937?

Joe Louis became World Champion in which year?

In 1989, several hundred Chinese students were killed while demonstrating in what Beijing location?

What animal is an orb weaver?