If you find yourself constantly searching for your reading glasses, swapping between distance contacts and readers, or simply frustrated by the dependence on corrective lenses for everyday tasks, you are not alone. The need for glasses for both near and far vision is a common issue, primarily caused by an age-related condition called presbyopia. Fortunately, modern ophthalmology offers a permanent solution that goes far beyond traditional LASIK: Refractive Lens Exchange (RLE), also known as PRELEX (Presbyopic Lens Exchange).

What Is PRELEX and How Does It Work?

PRELEX is a surgical vision correction procedure designed to address presbyopia and reduce the need for glasses and contacts for distance, intermediate, and near vision. It is very similar to cataract surgery but is performed on patients who have not yet developed cataracts.

As you age, the natural lens inside your eye stiffens and becomes heavier, making it difficult for the eye muscles to move the lens to quickly change focus—a process called accommodation. This loss of flexibility is what forces you to hold menus further away (“the arm stretcher”) or rely on bifocals.

During the PRELEX procedure, the eye’s aged, stiff natural lens is carefully removed through a tiny incision and replaced with a technologically advanced, artificial lens called a premium Intraocular Lens (IOL). This lens implant is permanent and restores the ability to see clearly at multiple distances. An added, long-term benefit? Because your natural lens is removed, you will never develop cataracts.

The Power of Premium Intraocular Lenses (IOLs)

The reason PRELEX is so effective at correcting vision across the full range is the type of IOL used. Unlike basic lenses that only correct vision for a single distance (usually far), premium lenses are designed for multifocal clarity.

The most common IOL options used in PRELEX to achieve glasses independence include:

• Multifocal and Extended Depth of Focus (EDOF) Lenses: These are the most revolutionary options. Lenses such as PanOptix, Vivity, and Synergy use advanced optics to create multiple focal points or an extended range of continuous, high-quality vision. This allows you to smoothly transition your focus from distance (driving) to intermediate (computer work) to near (reading a book).
• Toric Lenses: If you also have astigmatism (an irregularly shaped cornea), a Toric IOL can be customized to correct this issue simultaneously, providing a sharp focus along with multifocal correction.

The choice of lens is highly customized based on your specific visual needs and lifestyle—whether you spend more time on a computer, driving, or reading.

Are You a Candidate?

PRELEX is the best option for people over 40 who are experiencing presbyopia and want to significantly reduce or eliminate their reliance on glasses and contacts. While LASIK is a great option for younger patients to correct distance vision, it does not correct the aging, heavy natural lens, meaning those patients would still need reading glasses later on. PRELEX, by replacing the lens itself, offers a comprehensive, lifetime solution for vision at all ranges.

To find out if PRELEX is the right surgery for your eyes, the best next step is to schedule a consultation with an experienced lens implant surgeon.