NITASHA GUPTA, MD
BOARD-CERTIFIED OPHTHALMOLOGIST AND EYE SURGEON
PRESBYOPIA & ASTIGMATISM
PRESBYOPIA
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Around age 40-50, the natural lens begins to harden, causing the eye to lose its ability to focus at different distances (especially up close). People who typically have great distance vision start needing reading glasses.
People who wear glasses for distance usually need bifocals*.
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*people who have been near-sighted when they are younger may find themselves taking their glasses OFF to read
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PRESBYOPIA
(blurry vision up close WITHOUT glasses)
HOW IS PRESBYOPIA TREATED?
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Presbyopia is treated with glasses or contact lenses.
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At the time of cataract surgery, presbyopia can be corrected with multifocal and extended focus lenses. if a monofocal lens is chosen, glasses will be necessary for a full range of vision.
NO PRESBYOPIA
(full range of vision, with or without glasses)
ASTIGMATISM
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Astigmatism is a common problem that occurs when different part of the cornea have different focusing powers - leading to fuzzy, blurry, or distorted vision.
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Dr. Gupta likes to refer to this as your "fine focus". It contributes to the sharpness of your vision
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It commonly occurs with other refractive errors (like near-sightedness) and is corrected automatically in glasses or with contact lenses.
NO ASTIGMATISM
(sharp and clear vision, with or without glasses)
ASTIGMATISM
(distorted vision with "tails/glare" around lights)
HOW IS ASTIGMATISM TREATED?
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Astigmatism is treated with glasses or contact lenses.
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At the time of cataract surgery, astigmatism can be corrected with toric lenses (available in all - monofocal, multifocal, and extended focus lenses). if a non-topic lens is chosen, glasses will be necessary for your sharpest vision.
LASER CATARACT SURGERY & ARTIFICIAL LENS OPTIONS
