2025 ncle practice exam - Study guides, Class notes & Summaries

NCLE Practice Exam with Correct Solutions base curve - Answer -refers to the radius of curvature of the central posterior surface of the lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or curvature. optical zone - Answer -the chord diameter over which the base curve extends on the posterior surface of the contact lens, described in millimeters secondary or intermediate curves - Answer -lies between the base curve and the peripheral curve on the p...

NCLE Practice Exam with Correct Solutions base curve - Answer -refers to the radius of curvature of the central posterior surface of the lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or curvature. optical zone - Answer -the chord diameter over which the base curve extends on the posterior surface of the contact lens, described in millimeters secondary or intermediate curves - Answer -lies between the base curve and the peripheral curve on the p...