Presbyopia
Have you ever wondered why almost everyone has glasses for reading when they are older?
What is presbyopia?
Presbyopia is not a disease but a condition that affects everyone. As people age their eye lenses and the muscles that control them become less flexible and gradually loses the ability to focus at a near or normal reading distance. It becomes noticeable for just about everyone from about the age of 45 when they can no longer focus comfortably on objects within an arm’s length.
What causes presbyopia?
It is thought that the most likely cause of presbyopia is a loss of elasticity of the crystalline lens inside the eye. It is possible to have myopia and astigmatism with presbyopia, but this can be corrected with multi-focal glasses.
What options are available for presbyopia?
Presbyopic people need vision correction with a spectacle prescription that is designed for close distances to enable them to see up close.
A range of options are available to correct presbyopia including single vision reading glasses (which will make near objects clear but distant objects blurry) and multifocal glasses (which incorporate progressive lenses that provide clear vision at both distance and near).
Less commonly used spectacle forms include ‘look-overs’ or half-glasses, and bifocal or trifocal glasses. Presbyopia can also be managed by using special multi-focal contact lenses.
For more information, click on the link to watch this video: What is presbyopia and is it happening to you? from Good Vision for Life
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