Of the 48 OES dogs that were categorised as unaffected for inherited eye disease, 42 were homozygous for the reference allele (age of examination ranging from eight weeks to 11 years, median age 3.29 years) and six were heterozygous for the COL11A1 c.4775T>C variant (age of examination ranging from 1.25 to 2.58 years, with a median age of 1.7 years) when their eyes were examined. The gene discussed is COL11A1; the disease is eye disorder.