Why Does Eye Color Change. Causes of iris color change. The eye may change color due to the alteration of genes in the cells of the iris.
According to the fort lauderdale eye institute, extreme emotions can change your eye color. Intense joy or rage can change the regularity of the heartbeat and release hormones that cause the pupils to expand or contract. As we age, our eyes tend to increase their melanin production, and stress, medications, sickness, or eye problems can also cause changes over time.
[1] A Chromophore Is The Part Of A Molecule Responsible For Its Color.
With light, the iris can either expand or contract in order to control pupil size. Around 1% of the population has heterochromatic eyes. There is only one pigment that determines eye color:
If You Have A Lot Of Melanin, You'll Have Brown Eyes.
The common causes of eye color change. Prolonged exposure to the sun might also be another cause that made my eyes to change. However, light is not the only reason why your eyes can change color.
Why Is My Iris Changing Color?
When you experience a strong emotion, your body releases a hormone that causes your pupils to expand or contract. The eye may change color due to the alteration of genes in the cells of the iris. Causes of iris color change.
A Caucasian Baby's Eyes, Of Course, Can Change Color Quite Rapidly As The Pigmentation Of The Eye Changes, Then Settles In, Giving The Child Its Eye Color.
A significant change in color affecting one or both eyes should be evaluated by an eye doctor. Most will lighten with age, but hazel (light brown or yellowish brown) or blue can darken. What causes different eye colors?
An Actual Eye Color Change Can Be Harmless, Or It Can Be A Sign Of A Condition That Needs Treatment.
And melanin is activated by light exposure, which explains why over the first year of a baby’s life you may see significant eye color changes. Aging is the most common cause of a change in eye color, gradually, after reaching adolescence. The less melanin you have, the lighter your eyes will be.
