As soon as we flip 40, we begin to expertise aging-related adjustments to our imaginative and prescient, per the American Academy of Ophthalmology. This features a breakdown of proteins positioned within the eye’s lens or the a part of the attention chargeable for gentle refraction. Whereas this lens is often clear, these with cataracts develop a progressive cloudiness of their lenses which can trigger blurring, double imaginative and prescient, gentle sensitivity, muted colours, and extra. Cataracts aren’t at all times a product of getting older, nonetheless. Smoking, eye accidents, solar publicity, genetics, numerous well being situations, or the usage of sure drugs can all contribute to the event of cataracts. Because it seems, our eye shade could, too.
In a 2000 research revealed within the American Journal of Ophthalmology titled The Blue Mountains Eye Examine, researchers examined the lenses of greater than 3,600 folks in Australia. The findings revealed that in comparison with folks with gentle iris colours, these with darkish brown eyes have been 1.5 occasions extra inclined to nuclear cataracts and a pair of.5 occasions extra liable to posterior subcapsular cataracts. The Mayo Clinic defined that nuclear cataracts impression the center of the lens whereas posterior subcapsular cataracts develop behind the lens.