Learning to See – How Vision Develops (Part II)
Four to Six Months
As babies learn to push themselves up, roll over, sit, and scoot, eye-body coordination develops as they learn to control their own movements in space. Likewise, four- to six-month-old babies become quite skillful with their eye-hand coordination, able to direct a bottle into the mouth or grasp at objects freely. Their hands become their most important tool--they reach for almost everything they see! This is also the time they start to work on remembering things they see.
By the fourth or fifth month, babies' brains have finished learning how to fuse the pictures coming in from both their right and left eyes into a single image for full binocularity, or "two-eyed" vision with strong depth perception. Spatial and dimensional awareness continue to improve as baby learns to aim accurately when reaching for objects of interest. Likewise, they refine their eye teaming and focusing skills as they learn to look quickly and accurately between near and far distances. Normal visual acuity, or a child’s sharpness of vision, has usually developed to 20/20 by the time the child reaches six months.
Dr. Tanya Flood, Coastal Eyecare Centre