Human eyes do grow, but most of the growth takes place early in life.
For the retina, a vast majority of growth takes place before the age of two.
For the eyeball, most growth occurs before the age of six, and there is supposedly no growth at all after puberty.
Nearsightedness, which is tied to an elongated eye shape, can appear relatively late, after growth is supposed to be done; the eye remains moldable and can change its shape.
Why changes in the relative dimensions of the eye should occur is not fully understood.
It is likely that the eye remains sensitive to growth factors, chemical signals that stimulate growth.
But the eye has many such growth factors, and which ones are at work in the development of the eye remains to be learned.
Related Posts
-
How Fast Do Fingernails Grow, Do Fingernails Grow Faster In Summer, and How Fast Do Toenails Grow?
Fingernail growth averages out to about a tenth of a millimeter a day. Toenails are about a half to a third slower, and drugs or disease can change the growth rate. There are…
-
Which States Are Growing the Fastest In Population and Which Are the Slowest Growing States?
The western states are growing in population much faster than the United States as a whole. Colorado, Idaho, Nevada, and Arizona each grew by more than 30 percent during the 1990s, while the…
-
Why Will the World’s Population Eventually Stop Growing and What Does the Replacement Level Mean?
The answer to when the world's population will stop growing has to do with how many children are born each year. We know that children born today will have children in the future.…
-
When Will You Stop Growing?
Girls reach their full height when they are about 18 years old, but boys keep growing taller for a few more years. There are two periods in your life when you grow very…
-
How Long Can a Person Keep Growing and Is It Normal To Grow Several Inches After Graduating High School?
People stop growing at many different ages, but for most people the age limit is about eighteen or nineteen. Thus, a person who continued to grow right after high school would be well…
-
When Were Stop Signs Invented and What Was the First City In the World To Use Stop Signs?
Stop signs first showed up in Detroit, Michigan, in 1915. They were black on white and smaller than modern signs. Until then traffic-control devices were generally manual, using semaphores, or flags, policemen in…
