When selecting contact lenses, there are several important specifications to consider. Among them, contact lens diameter plays a crucial role in ensuring comfort, proper vision correction, and overall eye health. In this blog, we’ll explore what contact lens diameter is, why it matters, and how to choose the right size for your eyes.
What Is Contact Lens Diameter?
Contact lens diameter refers to the width of the lens from one edge to the other, measured in millimeters (mm). This number typically ranges from 13.8 mm to 14.5 mm for most soft lenses. A properly fitted diameter ensures that the lens covers the cornea and sits comfortably on your eye, without moving too much or causing irritation.
Why Is Contact Lens Diameter Important?
The diameter of your contact lens is more than just a measurement; it influences how well the lens fits on your eye and how comfortable it feels throughout the day. Here are some key reasons why contact lens diameter is essential:
How to Choose the Right Contact Lens Diameter?
It’s essential to consult with your eye care professional or optometrist when selecting the correct diameter for your contact lenses. They will measure your corneal width using specialized tools and recommend the ideal size based on your eye’s unique shape. Some factors to consider include:
Base Curve: This is the curvature of the lens, and it works hand-in-hand with diameter to ensure proper fit.
Lens Type: Soft lenses tend to have slightly larger diameters than rigid gas permeable (RGP) lenses.
FAQs on Contact Lens Diameter
What happens if my contact lens diameter is too big?
Can I change the diameter of my contact lenses?
Does lens diameter affect vision correction?
