Different population-based studies have evaluated the prevalence of keratoconus among different ethnic groups and the rates are found to be variable. The estimated incidence of keratoconus varies between 1 in 500 and 1 in 2,000 individuals in the general population and the estimated prevalence is ...
Dopamine is well recognized as a neurotransmitter in the brain, and regulates critical functions in a variety of peripheral systems. Growing research has a