The Effect of Ocular Melanin Density on Human Vision

Background: Without discussing the effect of ocular melanin density on vision, let us make the logical assumption that since melanin is a protective factor for the eye, its lower density causes more sunlight to damage vision cells. The question is not how the melanin density of the eye affects vision, but how the melanin density of the eye affects vision. The purpose of this manuscript is to try to answer this question. Results: After the test, it was found that in lighter eye color, due to the lower density of melanin, less protection against the sun’s rays is provided to the vision cells, which caused the destruction or damage to the vision cells and makes the person perceive colors darker than people see that the density of melanin in the eyes is higher. Conclusion: the color of each person’s eyes indicates the density of melanin in the eye, the lighter it is, the lower the density of melanin in the eye, and since the melanin in the eye has a protective role for the vision cells against solar rays, the lower its density, the more severe the damage from solar rays. The visual cells, especially the cylindrical ones, are increased and may affect the person’s vision.