Incomplete closure of ectodermal cleft is know to cause: (A) Retinal detachment, (B) Iridodonesis, (C) Retinoblastoma, (D) Coloboma of iris and retina
Answer is D. Inderbir Singh&;s Human embryology Tenth edition Pg 364 Failure of the choroidal fissure to obliterate completely may lead to deficiencies( coloboma)of various layers of eyeball including iris ciliary body and choroid