NCLE Exam Questions and All Correct Answers

NCLE Exam Questions and All Correct Answers Cones - Answer-The cells in the retina that are responsible for fine detail and color vision A concern with the use of extended wear lenses is: - Answer-Polymegathism ___________________ is a contraindication for fitting contact lenses? - AnswerAnesthetic cornea A protein found in the tear film that is a potent germ killer is: - Answer-Lysozyme Anisocoria - Answer-Unequal pupil size Ciliary processes - Answer-Responsible for the major production of aqueous fluid. The Zonules of Zinn attach to this. The cause of a 3 and 9 o'clock stain observed on a RGP wearer might be: - Answer-An incomplete blink What instrument is used to measure the optical zone of a contact lens? - AnswerMeasuring magnifier The most common illumination used to check for rigid lens edema is: - Answer-Sclerotic scatter A mosaic pattern is observed on the cornea with fluorescein. A possible cause might be: - Answer-Rubbing eyelids Bitoric lenses are used when: - Answer-When corneal cylinder is greater than 300D and does not match refractive cylinder Development of new blood vessels in the cornea is called: - Answer-Vascularization Blepharitis is a condition that affects the: - Answer-Eyelash Follicles DK values refer to the: - Answer-Ability of oxygen to pass through a substance. The index of the cornea is: - Answer-1.377 The term "Haptic lens" is often used in reference to: - Answer-Scleral lens Mydriatics - Answer-Drops used to dilate the pupil. Suppression - Answer-When the brain subconsciously ignores the image seen by one eye