Paraoptometric CPO questions with correct answers

Plastic and Zyl CORRECT ANSWER-What type of frames are made of rugged polymers? Seg height CORRECT ANSWER-What is the height of the reading position of a multifocal lens called? Interpupillary distance (PD) CORRECT ANSWER-What is the distance between the centers of the pupil of each eye? The width of the patient's face CORRECT ANSWER-The width of the frame should be approximately equal to __________? Bridge CORRECT ANSWER-What is the name for the part of the frame that connects the two eyesores? What is Optical Coherence Tomography (OCT) CORRECT ANSWER-Laser-based, non contact, non invasive imaging technique. Snellen chart CORRECT ANSWER-What is the chart most often used to measure acuity at distance called? Social security number CORRECT ANSWER-What is not part of the case history? Macular degeneration CORRECT ANSWER-What is the largest cause of irreversible blindness?