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A physical disability is any impairment which limits the physical function of one or more limbs or fine or gross motor ability. Other physical disabilities include impairments which limit other facets of daily living, such as respiratory disorders and epilepsy.Causes of physical disabilities
Prenatal causes: Those disabilities that are acquired before birth. These may be due to diseases that have harmed the mother during pregnancy, or genetic incompatibilities between the parents.
Perinatal causes: Those disabilities that are acquired during birth. This could be due to prolonged lack of oxygen or the obstruction of the respiratory tract, damage to the brain during birth (due to the accidental misuse of forceps, for example) or the baby being born prematurely.
Postnatal causes: Those disabilities gained after birth. They can be due to accidents, infection or other illnesses.
Types of physical disabilities
Mobility impairment is a category of disability that includes people with varying types of physical disabilities. This type of disability includes upper limb disability, manual dexterity and disability in co-ordination with different organs of the body. Disability in mobility can either be a congenital or acquired with age problem. This problem could also be the consequence of some disease. People who have a broken skeletal structure also fall into this category of disability.
Visual impairment is another type of physical impairment. There are hundreds of thousands of people that greatly suffer from minor to various serious vision injuries or impairments. These types of injuries can also result into some severe problems or diseases like blindness and ocular trauma, to name a few. Some of the common types of vision impairments include scratched cornea, scratches on the sclera, diabetes-related eye conditions, dry eyes and corneal graft.
Hearing impairment is the category of physical impairment that includes people that are completely or partially deaf. People who are only partly deaf can sometimes make use of hearing-aids to improve their hearing ability.