16
Oral thrush, also known as oral candidiasis, is a common
16
Oral cancer is a serious disease that affects thousands
17
Optic Neuritis is a condition that affects the optic
15
Onchocerciasis, also known as river blindness, is a
14
Oculopharyngeal muscular dystrophy (OPMD) is a rare
22
Oculocutaneous albinism is a rare genetic disorder
23
Ochronosis is a rare but serious condition that affects
11
Obesity is a growing concern worldwide, affecting millions
19
Norovirus infection, also known as the stomach flu
20
Nipah virus infection is a highly contagious disease