Final answer:
Jason, Sandra, and Tommy all meet the referral criteria based on their visual acuity and eye movement test results.
Step-by-step explanation:
In the given scenario, Jason, Sandra, and Tommy all meet the referral criteria. Let's break it down:
- Jason: Jason identifies fewer than four to six correct letters with his right eye and five of six correct with his left eye during visual acuity testing. This indicates a visual acuity impairment in both eyes.
- Sandra: Sandra demonstrates eye movement with the unilateral cover test. This indicates an abnormality in eye coordination.
- Tommy: Tommy demonstrates a two-line difference between eyes on his visual acuity testing. This also indicates a visual acuity impairment.
Based on this information, the correct answer is All of the above.