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variant of -opia: hemianopsia.
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Words nearby -opsia

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022


What does -opsia mean?

The combining form -opsia is used like a suffix denoting visual disorders. It is often used in medical terms, especially in ophthalmology.

The form -opsia comes from the Greek ṓps, meaning “eye” or “face.” The Greek ṓps is also at the root of the word cyclops, a mythical giant with a single large eye. Cyclops literally means “round-eye” in Greek.

The form -opsia is a less common variant of -opia.

Want to know more? Read our Words That Use -opia article.

Speaking of ophthalmology, this “eyeful” of a word uses ophthalmo-, a combining form from the Greek ophthalmós, which is ultimately related ṓps, source of -opia.

Examples of -opsia

One example of a medical term that features -opsia (via New Latin) is macropsia, meaning “a defect of vision in which objects appear to be larger than their actual size.”

The first part of the word, macr-, means “large.” The combining form -opsia, as we’ve seen, refers to sight and sigh disorders. Macropsia has a literal sense of “seeing large visions.”

What are some words that use the combining form –opsia?

What are some other forms that -opsia may be commonly confused with?

Break it down!

Cyan is a greenish-blue color. With this in mind, what does the medical condition cyanopsia involve?