1. A bifocal lens wearer having trouble accommodating can be helped by using? -
ANS-Adding plus strength to his prescription
2. A number three tint absorbs: - ANS-eighty% of the light getting into the lens
3. How do you decrease the front of the frame? - ANS-Move nose pads similarly aside or
boom pantoscopic tilt (2 levels = 1mm)
4. How lengthy must a prescription of a patient be saved for? - ANS-3 years
5. If the wearer complains that the glasses feel snug but nevertheless slip down the nostril,
one in all likelihood cause is that? - ANS-Pressure is being applied through the temple
shafts anterior to the ear.
6. In everyday binocular imaginative and prescient, lodging is always associated with: -
ANS-Convergence
7. Lens calipers are used to degree lenses for: - ANS-Lens thickness
8. Limbus is surrounded by using? - ANS-Cornea
9. Magnesium Fluoride is used for: - ANS-Reducing the mirrored image
10. Pantoscopic tilt may be elevated to: - ANS-18 levels
11. Photochromatic lenses can be darkest on what sort of day? - ANS-Cold and vibrant
12. Scotoma - ANS-An place of retinal vision loss
13. Tempering a lens via heat will bring about the lens being: - ANS-More effect resistant
14. The ability to hold single binocular vision with both eyes is referred to as: - ANS-Fusion
15. The important reason for a lenticular lens is? - ANS-They are lighter in weight
16. The new bifocal wearer have to: - ANS-Drop the eyes to read a e book
17. The principle purchaser safety company of the federal authorities is? - ANS-The Federal
Trade Commission
18. The trendy distance between double d segments? - ANS-thirteen to 14mm
19. The steps for "completing" a lens are? - ANS-Edging, Centration, Blocking, Spotting
20. Trifocals are maximum usually prescribed whilst the affected person is: - ANS-An
superior presbyope
21. Usual studying degree is considered to be ______ mm below - ANS-eight mm
22. What bridge is recommended for kids? - ANS-Keyhole bridge
23. What are you able to except Medicare to cowl? - ANS-Corrective lenses after cataract
surgical treatment
24. What error cannot be detected via the four point test? - ANS-Skewing
25. What a part of the eye is responsible for eighty% of mild refraction? - ANS-Cornea
26. What form of frame may be heated till it bends under its personal weight? - ANS-Optyl
27. What will immoderate base up prism reason? - ANS-Makes humans feel like they're
walking down hill
28. When the frame front is examined for 4 factor touch, but simplest touches on the two
temporal facets, the body is? - ANS-Has face shape