COMPREHENSIVE ASSESSMENT
◉ The patient's RX is -1.75 -.50 x 120 with a +2.00 ADD standard
trifocal. What is the power through the intermediate?. Answer: -.75 -
.50 x 120
◉ The Geneva lens measure is designed to measure. Answer: Lens
curvature
◉ The focal length of a +5.00 diopter lens is. Answer: 20 cm
◉ The problem of prismatic imbalance at the reading level is called.
Answer: Anisometropia
◉ Which of the following indicated the most acute distance vision?.
Answer: 20/15
◉ Which of the following is not a potential correction for vertical
balance?. Answer: Vertex Compensation
◉ The ability of the eye to focus on objects at varying distances is
known as. Answer: Accomodation
, ◉ Anisekonia is due to. Answer: Unequal size retinal images
◉ The corner of the eye where the upper and lower lids meet is the.
Answer: Canthus
◉ A ptosis crutch is used to. Answer: Drooping lid
◉ In neutralizing a lens of unknown power your first reading is
+1.00 the next reading that focuses the cylinder target is -.25. What
is the RX?. Answer: +1.00 -1.25
◉ A +2.00 lens decentered in 5 mm beyond the patient's measured
pd will create. Answer: 1 diopter base in prism
◉ Which of the following conditions is indicated by the following RX:
O.D. +1.00 -1.00 x 180
O.S. -2.00 -.50 x 45. Answer: Antimetropia
◉ The loss of vision without any apparent defect to the eye is called.
Answer: Amblyopia