(1) a mental or physical impairment that substantially limits one or more major life activities (e.g., breathing, speaking, seeing),
Courts have held that correctable conditions, such as myopia, diabetes, or epilepsy, are not disabilities under the ADA.
The Supreme Court has also held that repetitive-stress injuries, such as carpal tunnel syndrome, are not disabilities.
(2) a record of such impairment, or
(3) being regarded as having such an impairment.