Final answer:
A newborn can focus on objects 18 inches away, suitable for viewing the mother's face. By six months, an infant's vision nearly matches that of an adult, with improved color and depth perception. Vision and sensory abilities continue to develop over early childhood.
Step-by-step explanation:
At What Age Can a Newborn See Clearly?
A newborn's vision is quite blurry at birth as both the retinas and the brain areas responsible for vision are not yet fully mature. Newborns can focus on objects about 46 cm (18 inches) away, which is close enough to see the mother's face, as well as the areola and nipple when feeding. Over the first few months, a newborn's color perception and depth perception begin to improve.
By six months of age, an infant's vision has developed significantly, nearing the acuity of adult vision. Infants can pick up objects, discriminate colors better, and begin to develop depth perception. Important cognitive and sensory milestones continue to develop throughout early childhood.