Because children with hearing loss rely heavily on their other senses, undetected visual problems could have further detrimental effects on development. Dr. Chi's group recommended routine eye examinations for all children with sensorineural hearing loss in order to make an early diagnosis and start interventions to maximize visual acuity.
Source: Phend, Crystal. Visual Problems Often Accompany Hearing Loss in Childhood. Medpage Today, 16 Feb 2009.