If someone were to be permanently blinded due to a bright light, the appearance of their eyes may not necessarily change significantly. In most cases, the physical appearance of the eyes would remain the same after blindness caused by a bright light. The external structures of the eye, such as the cornea, iris, and sclera, would typically appear normal.
Blindness caused by a bright light is often the result of damage to the delicate tissues within the eye, such as the retina. The retina is responsible for detecting light and transmitting visual information to the brain. When the retina sustains significant damage, it can lead to permanent vision loss.
While the external appearance of the eyes may not change, there could be some subtle signs of eye damage depending on the specific circumstances. For instance, there might be signs of inflammation, redness, or bloodshot appearance due to injury or irritation caused by the intense light. However, these effects are not exclusive to light-induced blindness and can also occur due to other eye conditions or injuries.
It's important to note that the exact effects on the eyes and their appearance would depend on various factors, including the intensity and duration of the bright light exposure, the individual's specific eye anatomy, and the presence of any pre-existing eye conditions. In any case, if someone experiences significant visual impairment or suspects damage to their eyes, it is crucial to seek immediate medical attention from an eye care professional.