Answers are grounded in this paper and cite their sources.
Among 212 institutionalized mentally retarded, there were 16 patients with keratoconus (7.5%). Eight of the keratoconus cases were unilateral. The possible role of eye rubbing as well as other etiological factors are discussed.
No takes yet. Share an insight, caveat, or question.
Olav H. Haugen (1992) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: