A contact lens exam is a distinct evaluation performed in addition to — not instead of — a comprehensive eye exam. While your eye exam determines your overall vision prescription and eye health status, the contact lens exam focuses specifically on fitting lenses to your unique eyes. Because contact lenses sit directly on the eye's surface, precise fitting is essential for both comfort and long-term ocular health.
What's Included in a Contact Lens Exam
During a contact lens exam, your doctor will assess several factors that don't apply to glasses prescriptions:
- Corneal curvature measurement — Using a keratometer or corneal topographer to map the shape of your cornea, which determines the base curve and diameter of your lenses
- Pupil and iris size — Important for proper lens centration and coverage
- Tear film evaluation — Dry eyes significantly affect contact lens comfort and safety; your doctor assesses tear quantity and quality before recommending lens materials
- Trial lens fitting — You'll wear a trial pair of lenses so your doctor can evaluate fit under the slit lamp and assess your comfort
- Lens wear instruction — New wearers receive training on proper insertion, removal, and care techniques
Why a Separate Fitting Visit Matters
Contact lens prescriptions include parameters that glasses prescriptions do not — specifically the base curve, diameter, and brand. These must be verified through actual fitting and follow-up. Wearing lenses that are too steep, too flat, or made from an incompatible material can cause corneal damage even if vision seems fine in the short term.
If you're interested in contact lenses for the first time, switching to a new lens type, or experiencing problems with your current lenses, a dedicated fitting appointment is the right starting point. Our team works with patients of all experience levels — from first-time wearers to those needing specialty fits for complex prescriptions. Contact us to schedule your contact lens exam today.