Throughout the two years of the program the students have demonstrated the use of instruments commonly found in contact lens practice. The areas of study include measurement of the radius of curvature of a rigid contact lens and the necessary modification to a rigid lens in order to cause the lens to fit properly. All the while maintaining good corneal integrity and visual acuity. This practical examination is aimed at verifying the students capabilities in modification and lens verification. PREREQUISITES: Successful completion of semesters 1, 2, 3, 4, 5, 6 of the Ophthalmic Dispenser Program. Successful completion of practica requirements, which include: 1000 hours 125 spectacle fits; 10 multi-focal, 10 progressive, 10 Rx greater than + 6.00D 15 soft lens fits, 5 rigid fits CO-REQUISITES: All units of Comprehensive Exam week.