The Correct Answer is A
Phorias are intermittent eye crossings; tropias are fixed crossings; exo refers to lateral, while eso refers to medial; and hyper refers to abnormalities in the vertical plane. Accommodative esotropia occurs in a child who is significantly farsighted. Pseudostrabismus refers to an apparent esotropia that occurs in an infant with a wide nasal bridge and prominent epicanthal folds. The clue that the eyes are normal is the symmetric placement of the corneal light reflex.
Ref: Broderick P: Pediatric vision screening for the family physician. Am Fam Physician 1998; 58(3): 691-700. (ABFP, 2000, 33).
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