In The News

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 […]

Keratoconus is a progressive eye condition that can impact not only the patient but also their family members. For families, understanding keratoconus, risk factors, treatment options, and importance of early screening is essential for providing support and preventing complications. Understanding Vision with Keratoconus Keratoconus can have a massive impact on quality of life. Halo, glare, […]

Corneal Tissue Addition Keratoplasty (CTAK) is an exciting option in modern keratoconus treatment. Yet myths swirl around any new-sounding procedure, and lingering misconceptions can delay people from getting the sight-saving help they need. Below, we tackle the most common misunderstandings so you can make informed choices about keratoconus management with confidence. Myth 1: “Corneal Tissue […]

Overview Introduction Graft-versus-host disease (GVHD) is a common complication after a bone marrow or stem cell transplant. In GVHD, immune cells from the donor attack the patient’s own tissues, including the eyes. Approximately 60–80 percent of patients with GVHD have ocular involvement. Patients with Ocular GVHD experience symptoms such as dryness, burning, photophobia, ocular pain, and […]

Introduction Amyotrophic Lateral Sclerosis (ALS), also known as Lou Gehrig’s disease, is a progressive neurodegenerative disorder that affects the nerve cells responsible for voluntary muscle control. As motor neurons degenerate, patients develop muscle weakness, loss of coordination, and ultimately paralysis. While ALS primarily affects the limbs, respiratory system, and swallowing function, it can also involve […]

Keratoconus is a progressive condition that weakens and thins the cornea, leading to an irregular corneal shape and distorted vision. If you have been diagnosed with keratoconus, it is vital to consider the risk of your children developing keratoconus and take proactive steps to safeguard their vision. Family history and early screening play pivotal roles […]

Overview Scleral lenses can dramatically improve vision and comfort for people with keratoconus, dry eye, and other corneal conditions—but putting them on and taking them off takes practice. Whether you’re new to lenses or looking for a refresher, here are some of the top tips covered in this guide: Scleral lenses are becoming increasingly being […]

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 […]

Understanding Keratoconus: A Progressive Eye Condition Keratoconus is a progressive eye disorder that affects the shape of your cornea, the clear front surface of your eye. In this condition, the normally round cornea begins to thin and bulge outward, taking on a cone-like shape. This distortion can lead to significant vision problems, including blurry or […]

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 […]