Questions Contact Lens Basics

True and False

1. _____ A 7X (power magnifying loupe measures approximately +28 D

2. _____ An X chrome contact lens can correct all types of col;our blindness.

3. ______ An X chrome lens is worn only in one eye.

4. ______ A bandage lens must always be of hard gas permeable materials.

5. _____ A presbyopic patient can be fit with either soft or hard bifocal lenses.

6. _____ When fitting Monovision the non-dominant eye is usually fit with the reading power.

7. _____ Cataracts only develop through age.

8. _____ A child is born with eyes fully grown.

9. _____ Contact lenses should not be worn for sports.

10. _____Soft opaque lenses are the only lenses that can radically change eye colour.