COMBINED ABO practice exam QUESTIONS AND ANSWERS

150 mm - When ordering a six inch temple, its corresponding millimeter value is which of the following? A. 135 mm B. 140 mm C. 145 mm D. 150 mm 500 mm - What is the focal length of a 2 diopter lens? A. 500 cm B. 39.37 inches C. 500 mm D. 2 meters Nanometers - Wavelengths are measured i...

If the wearer complains of the bifocal line being somewhat in his way when driving, the problem may be alleviated by decreasing the distance between pads. True or False - False If the wearer complains that the glasses feel snug but still slip down the nose, one likely cause is that: A. The ...

The ability of the eye to focus on objects at different distances - Accommodation Fresnel optics - Press on prism Frame material that resist stretching with heat - Nylon Bridge type that spreads weight over the greatest area - Saddle Amount of jump image is not affected by - The seg inse...

distance between the optic center measuring PD - should sit at 40 cm(16in) from patient average PD for adults - 50mm to 75mm Sclera - Tough, white outer coat of the eyeball myopia - nearsightedness; the condition in which parallel rays of light are brought into focus in front of the retina,...