Diseases & Conditions
Ophthalmic Angiography
Ophthalmic angiography is an essential diagnostic technique used to visualize the retinal and choroidal vasculature in vivo. This …
Ophthalmia Sympathetic
Ophthalmia sympathetic, medically termed sympathetic ophthalmia, is a rare but serious bilateral granulomatous uveitis that occurs…
Ophthalmia Neonatorum
Ophthalmia neonatorum, also known as neonatal conjunctivitis, is a form of eye infection occurring within the first 28 days of lif…
Operation on Lens
Lens operations, commonly referred to as eye lens surgeries, are performed to restore or improve vision affected by various ocular…
Open Heart Surgery Infection Prevention
Open heart surgery, a critical life-saving procedure, inherently carries the risk of surgical site infections (SSIs) and other hea…
Open-Angle Glaucoma
Open-angle glaucoma, also known as primary open-angle glaucoma (POAG), is a chronic, progressive optic neuropathy characterized by…
Onychomycosis Due to Dermatophyte
Onychomycosis, medically referred to as tinea unguium, is a fungal infection of the nail unit caused predominantly by dermatophyte…
Onchocerciasis
Onchocerciasis, commonly referred to as river blindness, is a neglected tropical disease (NTD) caused by the filarial parasitic wo…
Omphalitis of Newborn
Omphalitis of the newborn refers to an acute, potentially life-threatening bacterial infection of the umbilical stump. It typicall…
Oligodendroglioma
Oligodendroglioma is a rare, slow-growing primary brain tumor originating from oligodendrocytes—the glial cells responsible for pr…
Oligoarticular Juvenile Idiopathic Arthritis
Oligoarticular juvenile idiopathic arthritis (JIA) is the most common subtype of juvenile idiopathic arthritis, a chronic autoimmu…
Oily Skin
Oily skin is characterized by overproduction of sebum, a natural oil secreted by the sebaceous glands. While sebum is essential fo…