Name: _________________________________________ Building Healthy Futures Vision Pre-Screening Quiz: Snellen Chart ____ 1. The chart must be how far away from the examiner? a. 10 feet b. 15 feet c. 20 feet d. 25 feet ____ 2. The purpose of the Snellen chart is to screen for: a. Visual acuity- how far they can see at a distance b. visual acuity- how far they can see up close c. color blindness ____ 3. What results warrant a referral? a. 20/30 b. 20/40 c. 20/20 d. 20/50 Snellen with Diopter Lenses ____ 4. This exam utilizes what strength diopter lenses? a. +1 b. +1.5 c. +2 d. +2.5 ____ 5. What line do we use for screening? a. 20/20 b. 20/30 c. 20/40 d. 20/50 ____ 6. What result warrants a referral? a. Ability to get 50 % of the letters correct while wearing the diopter glasses b. Ability to get 25 % of the letters correct while wearing diopter glasses c. Inability to recognize any of the letters correctly while wearing the diopter glasses Rosenbaum Pocket Screener: ____ 7. The near card should be placed how far away from the examiner? a. 10 inches b. 12 inches c. 14 inches d. 16 inches ____ 8. The purpose of the Rosenbaum Pocket screener is to screen for? a. Visual acuity- how far they can see at a distance b. b. visual acuity-how far they can see up close c. c. color blindness ____ 9. What results warrant a referral? a. 20/30 b. 20/40 c. 20/20 d. 20/50 Stereopsis: The Fly Stereo Acuity Test ____ 10. The Stereopsis test is used to test the ability to perceive? a. 3-D images b. spatial relationships c. distance between objects d. all of the above ____ 11. The test booklet should be held at eye level approximately ____ inches from the child. a. 12 b. 16 c. 20 d. 10 ____ 12. True or False, the child should be referred if unable to pinch the wings of the fly. Ishihara’s Color vision screen: ____ 13. The purpose of Ishihara’s screening is to screen for? a. Visual acuity- how far they can see at a distance b. b. visual acuity-how far they can see up close c. c. color blindness ____ 14. For pre-screening the plates 1 & 2 contain what? a. Numbers b. Letters c. Square and Circle d. Lines to be traced ____ 15. What warrants a passing result? a. Ability to get 50% of the card plates correct b. Ability to trace card plate 8 correctly, and 3 of the following plates: 3,4,6, & 7. c. Ability to trace card plate 8 correctly, and 2 of the following plates: 3,4,6, & 7. d. Ability to get 75% of the card plates correct.