Tuesday, September 18, 2018 11:38 AM

GLAUCOMA AND READING ABILITY - NEWSWISE (PRESS RELEASE)

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Newswise Glaucoma is usually described as a disease affecting peripheral vision. So, it wouldnt have any effect on reading, the ultimate task of central vision, right?

Glaucoma is usually described as a disease affecting peripheral vision. So, it wouldnt have any effect on reading, the ultimate task of central vision, right?

In fact, glaucoma does affect reading. Why? First, while glaucoma does affect peripheral vision, it also affects central vision. Glaucoma patients with moderate or severe disease often describe looking through a fog which extends into their central vision. Because of this fogging, people with glaucoma recognize fewer letters in one glance. They must therefore look at text more times to make their way through a passage. The result is slower reading and particular difficulty with longer words.

Second, reading also brings in ones mid-peripheral vision. For example, we use our field of view when moving from the end of one line to the start of a new line of text, or when searching a page of information for the specific details we wish to learn about. Glaucoma patients have particular difficulty with these aspects of reading.

Even when glaucoma patients can read, it is ...

News source: GOOGLE NEWS

See also: EastRidgeEyeCenter