opto-

1. a combining form meaning “optic” or “vision,” used in the formation of compound words.

   optometry.

Word History and Origins

Origin of opto-¹

< Greek optós visible; akin to ṓps face; eye

Example Sentences

Many private credit funds have plenty of excess funds, or "dry powder" to invest, said Matt Malone, head of investment management at private investment management firm Opto Investments.

From Reuters

Now a director of football consultancy business Opto Advisers, Kenyon has worked on several deals in recent years and was linked with a bid for Newcastle United before their Saudi takeover.

From BBC

La liga optó por no repartir castigo.

From Los Angeles Times

AMS, which is largely dependent on orders for Apple’s iPhone, hopes that Osram’s automotive and opto semiconductor businesses will help it diversify its own portfolio and sales channels.

From Reuters

That was how I learned about what the neuroscientists call opto.

From The Guardian

When To Use

What does opto- mean?

Opto- is a combining form used like a prefix meaning “optic” or “vision.” It is often used in scientific and medical terms, especially in optometry and ophthalmology.Opto- comes from the Greek optós, meaning “visible.” This word is related to the Greek word ṓps, meaning “eye” or “face,” and ophthalmós, meaning "eye." Ophthalmós is ultimately the source of ophthalmo- and ophthalm-. Also ultimately coming from the Greek ṓps are the combining forms -opia, -opsia, -opsy, and -opy.The Latin word for “eye” is oculus, source of the combining form oculo-.What are variants of opto-?When combined with words or word elements that begin with a vowel, opto- becomes opt-, as in optesthesia.