A comprehensive medical eye exam is conducted to detect refractive errors, eye diseases and vision impairments. It can take more than an hour to complete depending on the tests you have to take.
Retinoblastoma is an eye cancer that usually affects young children and, at times, adults. The condition makes the nerve cells in the retina change and increase in size and number, which eventually leads to a tumor. Children who inherited the gene related to this disease from their parents are at higher risk of getting it.