Critical age for development of fixation reflex is: (A) 2-4 months, (B) 6-8 months, (C) 1-2 years, (D) 4-6 years
Answer is A. Impoant milestones in development of eye : Postnatal period Fixation stas developing in first month and is completed in 6 months. Macula is fully developed by 4-6 months Fusional reflexes, stereopsis and accommodation are well developed by 4-6 months Cornea attains normal adult diameter by 2 years of age. Lens grow throughout life Reference : A.K.Khurana; 6th edition; Page no:13