NCLE Contact Lens Registry Examination practice test

When fitting a soft contact lens, a lens that shows excessive movement, decentration, and edge fluting most likely indicates the lens is fit:

A patient requires a contact lens correction. When converting a high minus spectacle prescription to a contact lens power, the contact lens power generally needs to be:

A patient using a multipurpose contact lens solution should be instructed that, before storing lenses, the recommended practice is to:

A contact lens wearer reports that vision is clear immediately after blinking but becomes blurry between blinks. This symptom most commonly suggests:

The tear film is composed of layers that include a lipid layer, an aqueous layer, and a mucin layer. The outermost lipid layer functions primarily to:

When fitting a rigid gas permeable lens, an alignment fluorescein pattern is characterized by:

A toric soft contact lens is designed to correct astigmatism. To remain in the correct orientation on the eye, toric soft lenses use stabilization methods such as:

A hydrogen peroxide contact lens disinfection system requires a neutralization step. If a patient places lenses directly into their eyes from an unneutralized peroxide solution, the likely result is:

A contact lens wearer presents with a red, painful eye, light sensitivity, and reports sleeping in lenses not approved for overnight wear. The most appropriate action is to:

The corneal layer that serves as the primary barrier against microorganisms and is the most superficial layer is the:

Keratometry readings provide important information for contact lens fitting by measuring:

A patient with presbyopia is interested in contact lens options. A multifocal contact lens differs from a monovision approach because a multifocal lens:

A patient asks how often to replace their daily wear two-week replacement soft contact lenses. The correct guidance is to:

A rigid gas permeable lens wearer reports the sensation that the lens is decentering and riding low on the cornea. A common cause of an inferiorly decentered rigid lens is:

The limbus is an important anatomical landmark in contact lens practice because it is the:

A soft contact lens that fits too steep, or too tight, on the eye is most likely to show:

When a contact lens prescription includes a power for a hyperopic patient, the contact lens is a:

A patient who wears contact lenses asks about swimming while wearing them. The most appropriate guidance is to:

A new soft contact lens wearer reports redness and irritation, and on examination small bumps are seen on the underside of the upper eyelid. This presentation is most consistent with: