What does ophthalmia mean?
Ophthalmia is a medical term for inflammation of the eye, most commonly involving the conjunctiva, the membrane that covers the inner surface of the eyelids and the front of the eyeball. Its symptoms can include redness, discharge, swelling, pain, and excessive tearing, with the precise presentation depending on the cause. Ophthalmia is used in both general and clinical contexts and may refer broadly to eye inflammation or more narrowly to a form of conjunctivitis. The term also appears in established medical expressions such as ophthalmia neonatorum, which denotes conjunctivitis in newborns. Although familiar expressions such as “pink eye” communicate the condition in everyday speech, ophthalmia is more likely to appear in medical writing, public-health guidance, and descriptions of infectious disease. Its name reflects its Greek ancestry: it derives from ophthalmos, meaning “eye,” through the suffix-like form -ia.
nounInflammation of the eye, especially of the conjunctiva. The term may also be used more broadly for severe inflammation affecting the internal structures of the eye.
- Inflammation of the eye, especially inflammation of the conjunctiva.
- Inflammation affecting the internal structures of the eye.
"The doctor diagnosed the patient with ophthalmia and prescribed antibiotic eye drops."
"Poor hygiene can allow infectious ophthalmia to spread rapidly among children."
"The outbreak of ophthalmia left the clinic temporarily overwhelmed."
The plural is used when referring to separate cases or instances of eye inflammation.
"The clinic reported several ophthalmias among children at the daycare."
Ophthalmia comes from the Greek word for eye, a reminder that this medical term belongs to a family of words built on the Greek ophthalmos.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does ophthalmia come from?
Ophthalmia comes from New Latin ophthalmia, formed from Greek ophthalmos, meaning “eye.” The Greek word was also adopted into English in forms such as ophthalmic and ophthalmology. Over time, ophthalmia became established in medical writing as a general name for inflammation of the eye.
Related word forms
How ophthalmia is actually used
This is primarily a medical term. In modern clinical usage it is often used specifically for conjunctivitis, although some medical contexts use it more broadly for inflammation of the eye. The phrase ophthalmia neonatorum refers to conjunctivitis in a newborn infant.
Easily confused with ophthalmia
Ophthalmia is a broad term for inflammation of the eye, particularly the conjunctiva, whereas ophthalmitis more specifically denotes inflammation of the internal tissues of the eye.