<prompt> Eye of a newborn isEmmetrophicHypermetrophicMyopicAstigmatic  <response>: Eye at bih Anteroposterior diameter - 16.5 mm adult size is attained by 7-8 years. Corneal diameter- 10 mm. Adult size - 11.7 mm- attained by 2 years. Anterior chamber - shallow and angle is narrow. Lens - spherical at bih. An infantile nucleus is present. Retina - Fully differentiated except for macula which differentiates by 4-6 months after bih. Myelination of optic nerve fibres has reached the lamina cribrosa. Newborn - usually hypermetropic by 2 to 3 D. Orbit - more divergent 50deg as compared to adult 45deg. Lacrimal gland - underdeveloped and tears are not secreted. Postnatal period Macula - fully developed by 4-6 months. Fusional reflexes, stereopsis, and accommodation - well developed by 4-6 months. Cornea attains normal adult diameter by 2 years of age. Lens grows throughout life. Reference : Khurana Ophthalmology: 4th Edition Page 11. 