Presbyopia is an eye condition in which your eye slowly loses the ability to focus quickly on objects that are close, this condition is part of the aging process. It occurs when the natural lens of the eye becomes harder and less elastic. This loss of flexibility reduces the eye’s ability to switch from seeing objects at a distance to seeing objects that are close up. Over time, while distance vision may still be very good, near vision gets progressively worse.
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What is Presbyopia?
When light enters your eye, it passes through your cornea. Then, it passes through your pupil. Your iris is the colored ring in your eye that opens and closes your pupil to adjust the amount of light passing through it. After passing through your pupil, the light passes through your lens. In its healthiest state, your lens changes shape so it can bend the light rays further and focus them on your retina at the back of your eye. However, your lens becomes less flexible with age. Then, it can’t change shape as easily. As a result, it’s unable to bend the light properly to focus it on your retina.
The final frontier for refractive surgery is the surgical correction of presbyopia. One strategy that is useful is surgical monovision, which is a strategy to correct presbyopia by correcting one eye for distance vision and one eye for reading vision. Now, there are options for surgical correction of presbyoipia at the time of cataract surgery. These include monovision with single vision intraocular lenses (IOLs) and now the option of aiming for both near and distance vision in both eyes with multifocal or accommodating IOLs.
You May Have Presbyopia
Having eyestrain or headaches after reading small print or doing close work?
Difficulty seeing and focusing on objects that are close to you?
Squinting or needing brighter light while reading?
Needing to hold reading material at an arm’s distance to focus properly on it?
These are all signs of having Presbyopia
The most common symptoms of presbyopia occur around age 40 for most people. The symptoms of presbyopia typically involve a gradual deterioration in your ability to read or do work up close.
Time to see a doctor
If you said yes to any of the questions, it may be time to see a physician and get the quality treatment you deserve. Contact us and schedule an appointment today.
Diagnosis of Presbyopia
No cure exists for presbyopia. However, there are several treatments available to correct your vision. Depending on your condition and lifestyle, you may be able to choose from corrective lenses, contact lenses, or surgery to correct your vision.
According to the Foundation of the American Academy of Ophthalmology, adults who don’t have any symptoms or risk factors associated with eye disease should have a baseline examination at age 40. An eye screening can identify early signs of disease and vision changes that can begin, sometimes without any symptoms, around this age.
The first step in finding the best solution to presbyopia for your needs — including surgery for presbyopia — is to have a consultation with your eye doctor following a comprehensive eye exam. A typical exam will include tests to evaluate your eyes for the presence of diseases and vision disorders.
If you didn’t need eyeglasses before getting presbyopia, you might be able to use nonprescription reading glasses. These readers are typically available at retail stores, such as drug stores. They typically work best for reading or close work.
When selecting a pair of nonprescription reading glasses, try different degrees of magnification. Choose the lowest magnification that allows you to read a newspaper comfortably.
You’ll need prescription lenses for presbyopia if you can’t find an appropriate magnification from the nonprescription offerings. You’ll also need a prescription if you already have lenses to correct another eye problem. Prescription reading glasses can be prescribed if you have no eye problems other than presbyopia and prefer not to purchase your glasses off the shelf.
Prescription Lens Variations
- Bifocals have two different types of focus, with a noticeable line between them. The upper portion is set for distance while the lower portion is set for reading.
- Progressive lenses are similar to bifocal lenses. However, they don’t have a visible line, and they offer a more gradual transition between the distant and close portions of the prescription.
- Trifocals have three different points of focus. The portions are set for close work, mid-range, and distance vision, and they can be made with or without visible lines.
- Bifocal contact lenses provide the same option as bifocal glasses.
- Monovision contact lenses require you to wear a contact lens set for distance vision in one eye and a different contact lens set for close work in your other eye.
- Modified monovision contact lenses require you to wear a bifocal contact lens in one eye and a contact lens for distance in your other eye. Both eyes are used for distance, but only one eye is used for reading, and your brain adjusts as needed to process the image.
There are several surgical options to treat presbyopia. For example:
- Conductive keratoplasty (CK) involves using radiofrequency energy to change the curvature of your cornea. While it’s effective, the correction may diminish over time for some people.
- Laser-assisted in-situ keratomileusis (LASIK) can be used to create monovision. This adjustment corrects one eye for near vision and the other eye for distance.
- Refractive lens exchange involves the removal of your natural lens. It’s replaced with a synthetic lens, called an intraocular lens (IOL) implant, inside your eye.
Types of Presbyopia-Correcting Intraocular Lenses (IOLs):
- AcrySof® Toric & IOL
- AcrySof® IQ ReSTOR® MultiFocal IOLs
- Crystalens® Aspheric Optic IOL
- TECNIS® Multifocal IOL
- TRULIGN® Toric IOL
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