Introduction to Wavefront Guided Scleral Lenses For patients with complex corneas, such as keratoconus, pellucid marginal degeneration, ectasia, corneal transplants, after LASIK, and more, scleral lenses are lifesavers! They can provide comfort and improved vision when all other contact lens options have failed. However, for some patients, even those with 20/20 vision, the quality of […]
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Posted by John Gelles on March 12, 2024
Cataract surgery is one of the most common and successful procedures performed today. By replacing the eye’s cloudy natural lens with a clear artificial lens, surgery can restore sharper, clearer vision. But for many patients, removing the cataract is only part of the goal. They also want to know: Will I still need glasses after […]
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Posted by Steven Greenstein on October 16, 2026
Deep anterior lamellar keratoplasty (DALK) can be life-changing for patients with advanced keratoconus or other conditions affecting the cornea. By replacing damaged corneal tissue while preserving the eye’s healthy inner layers, this partial-thickness corneal transplant can restore corneal structure and improve visual potential. At the Cornea and Laser Eye Institute (CLEI), we take an especially […]
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Posted by Steven Greenstein on October 13, 2026
When people start exploring surgical vision correction, LASIK is often the first procedure that comes to mind. But LASIK isn’t the only way to reduce your dependence on glasses or contact lenses, and as you get older, it may not always be the most appropriate option. After about age 45, the natural lens inside the […]
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Posted by Steven Greenstein on October 2, 2026
One of the biggest questions patients have before PRK is simple: How long does PRK recovery take? PRK recovery is more gradual than LASIK recovery because the outermost layer of the cornea, called the epithelium, is removed during the procedure and needs time to regenerate. That means you should expect some discomfort and blurry or […]
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Posted by Steven Greenstein on October 1, 2026
If you have been diagnosed with keratoconus, learning about your treatment options can quickly become overwhelming. You may hear about corneal cross-linking, CTAK, specialized contact lenses, and procedures such as DALK or full-thickness corneal transplantation. How do you know which one you actually need? The answer depends on what your cornea needs. Different keratoconus treatments […]
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Posted by Steven Greenstein on September 11, 2026
Keratoconus is an irregular condition by nature. As the cornea weakens, it does not typically change in a perfectly even or symmetrical way. Instead, certain areas may become steeper, thinner, or more distorted than others. That raises an important question when treating the condition: Should every part of an irregular cornea receive exactly the same […]
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Posted by Steven Greenstein on September 11, 2026
When it comes to sports performance, vision matters. Whether you’re tracking a fast-moving ball or reacting to an opponent’s next move, clear vision plays a major role in how well you perform. Visual acuity, depth perception, peripheral awareness, and reaction time all work together to support athletic success. But for athletes who rely on glasses […]
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Posted by John Gelles on July 13, 2026
One of the biggest questions people ask before having LASIK is, “Will the results last?” It’s a fair question. After all, if you’re investing in laser vision correction, you want to know whether you’ll still be enjoying clear vision 10, 20, or even 30 years from now. The reassuring news is that LASIK permanently reshapes […]
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Posted by Steven Greenstein on June 29, 2026
When Is a Corneal Transplant Needed? Many patients with keratoconus can successfully manage their condition with treatments such as corneal cross-linking, specialty contact lenses, CTAK, or other vision-correcting procedures. However, there are situations where these treatments are no longer enough. As keratoconus progresses, the cornea can become severely distorted, significantly affecting vision and quality of […]
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Posted by Steven Greenstein on June 23, 2026
The Question Everyone Is Really Asking If you’ve ever considered LASIK, you’ve probably had the same thought as countless other patients: “Is LASIK really worth it?” For many people, the hesitation isn’t about the procedure itself. It’s about the cost. LASIK is an elective procedure, which means it is typically not covered by insurance. When […]
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Posted by Steven Greenstein on June 17, 2026