Category: LASIK & Refractive Surgery

In August 2025, Dr. Steven Greenstein was featured in Review of Ophthalmology’s article, “Screening for the Proper Refractive Candidate”. The piece brought together leading refractive surgeons to talk about one of the most important—and often overlooked—parts of laser vision correction: making sure patients are the right candidates for surgery. When people think about LASIK or […]

If you’ve been considering vision correction surgery, you’ve probably come across two common procedures: LASIK and PRK. While LASIK tends to get more attention, PRK (photorefractive keratectomy) has been around longer and remains a trusted option today. But what is PRK, and how does it compare to LASIK?  What is PRK? PRK stands for photorefractive […]

If you’re exploring vision correction options, you’ve likely come across EVO ICL surgery—a revolutionary procedure offering clear vision without removing any corneal tissue. But with such a life-changing decision on the horizon, how do you find the right expert to trust with your eyes? What Is ICL and How Does EVO ICL Work? ICL stands […]

If you’ve been told your corneas are too thin for LASIK, don’t worry—safe and effective alternatives exist. This article explores why corneal thickness matters and what options are available for vision correction without compromising eye health. Key points covered include: Understanding LASIK and Corneal Thickness LASIK eye surgery has helped millions achieve clearer vision without […]

Teaneck, NJ – The independent review board at NJ Top Docs has designated Steven A. Greenstein, MD, FACS—Medical Director and Director of Refractive Surgery at the Cornea & Laser Eye Institute (CLEI)—as a 2025 NJ Top Doc. This recognition places Dr. Greenstein among the most trusted ophthalmologists and LASIK surgeons in New Jersey and signals […]

EVO ICL, short for Implantable Collamer Lens, is transforming lives and offering a new perspective on visual freedom. This advanced technology is reshaping the landscape of vision correction, providing an alternative to traditional methods like glasses, contact lenses, and even LASIK surgery.  The Science Behind EVO ICL: How It Works EVO ICL is a remarkable […]

Is LASIK Safe? For decades, LASIK has been a go-to solution for people seeking freedom from glasses and contact lenses. It remains one of the most widely performed and trusted elective procedures in the world—with a strong track record of safety, precision, and overwhelmingly high patient satisfaction.  LASIK (Laser-Assisted In Situ Keratomileusis) reshapes the cornea […]

If you’ve been struggling with a high prescription for years, you might be wondering if LASIK eye surgery could be the solution to your vision problems. LASIK (Laser-Assisted In Situ Keratomileusis) has become increasingly popular for correcting various refractive errors, but is it suitable for those with extreme prescriptions? In this comprehensive guide, we’ll explore […]

What are Progressive Lenses? Progressive lenses, sometimes called progressive glasses, are a type of eyeglass lens designed to provide clear vision at multiple distances, eliminating the need for separate spectacles for near, intermediate, and far vision.  Here’s a breakdown of the zones in progressive lenses: Progressive lenses are especially popular among people over 40 who […]

What is EVO ICL? The EVO Implantable Collamer Lens (ICL) is a vision correction procedure that offers an alternative to traditional laser eye surgeries like LASIK or PRK. This advanced technology is designed to correct myopia (nearsightedness) and astigmatism. The EVO ICL is a biocompatible lens made from a unique collagen-based material called Collamer. Unlike […]