This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy, Development and clinical examination, Subject name: Ophthalmology
Gaze fixation takes place at which age? 
Select and explain. 
A. 3 months, B. 6 months, C. 1 year, D. 2 year
B: 6 months
Answer: B: 6 months 
Explanation: Gaze fixation takes at 6 months of age POSITIONS OF GAZE Primary position: straight ahead Secondary positions: straight up , straight down, right , left Teiary positions up & right, up & left, down & right, down & left Primary detion: the amount of misalignment when the normal eye is fixating Secondary detion: the amount of misalignment when the paretic or restrictive eye is fixating The secondary detion is larger than the primary detion Reference : AK KHURANA 7TH Edition