When someone has a corneal dystrophy one or multiple parts of the cornea will lose regular clearness or clarity due to a build-up of cloud-like materials. Corneal dystrophies are numerous and may affect all aspects of the cornea. Some of the symptoms include: Both eyes are affected Can occur in healthy people In most cases, they are inherited They are not typically caused by outside or environmental factors Corneal dystrophies can cause widespread visual impairment. If you are concerned about this eye problem or would like to seek a second opinion our eye doctors are here to help.