These may be due to diseases or substances that the mother has been exposed to during pregnancy, embryonic or fetal developmental accidents or genetic disorders.
These types of injuries can also result in severe problems or diseases such as blindness and ocular trauma.
Some other types of vision impairment include scratched cornea, scratches on the sclera, diabetes-related eye conditions, dry eyes and corneal graft, macular degeneration in old age and retinal detachment.
Deaf and hard of hearing people have a rich culture[6][7] and benefit from learning sign language for communication purposes.
Speech and language disability: the person with deviations of speech and language processes which are outside the range of acceptable deviation within a given environment and which prevent full social or educational development Physical impairment can also be attributed to disorders causing, among others, sleep deficiency, chronic fatigue, chronic pain, and seizures.