<span>When light enters the eye, it first passes through the cornea, then the aqueous humor, lens and vitreous humor. Ultimately it reaches the retina, which is the light-sensing structure of the eye. The retina contains two types of cells, called rods and cones. Rods handle vision in low light, and cones handle color vision and detail. When light contacts these two types of cells, a series of complex chemical reactions occurs. The chemicals causes electrical impulses that are transmitted to the brain and interpreted as light.</span>
This process can take up to two years. The scar won't disappear completely and you'll be left with a visible mark or line. Fine-line scars are common following a wound or after surgery.
