Final answer:
Between 2 to 4 months, infants have a limited ability to see clearly and mainly perceive light and dark. They have not yet developed the ability to focus on small objects or see colors and shapes.
Step-by-step explanation:
Between 2 to 4 months of age, an infant's vision is still developing. At this stage, they have a limited ability to see clearly and mainly perceive light and dark. They have not yet developed the ability to focus on small objects or see colors and shapes. Perfect visual acuity, which is the ability to see with complete clarity, is not achieved at this stage.