eyeglass

noun

eye·​glass ˈī-ˌglas 

1

a

: eyepiece

b

: a lens worn to aid vision

specifically : monocle

c

eyeglasses plural : a device used to correct defects of vision or to protect the eyes that consists typically of a pair of glass or plastic lenses and the frame by which they are held in place : glasses

2

: eyecup sense 1

Synonyms

• glass
• specs
• spectacles

Examples of eyeglass in a Sentence

She left her eyeglasses at work.

Recent Examples on the Web

And even though his bat has come around lately — thanks to refined swing mechanics and the help of new eyeglasses — his defensive play at third has remained a liability. —Jack Harris, Los Angeles Times, 4 June 2025

Color fading Double vision Need to update eyeglass or contact lens prescriptions frequently Poor night vision Seeing a halo around lights Sensitivity to sunlight, headlights, or indoor lighting Cataracts are not contagious and do not spread from one eye to the other. —Ann Pietrangelo, Verywell Health, 28 May 2025

Everything blends well into a body that barely looks any different than a pair of normal eyeglasses. —Ryan Whitwam, ArsTechnica, 22 May 2025

The idea is to take care of every detail, from laundry to room service to cleaning one’s eyeglasses, so guests can focus on enjoying their vacation. —Michael Goldstein, Forbes.com, 17 May 2025

Word History

First Known Use

1593, in the meaning defined at sense 1c

Rhymes for eyeglass

• candlemas
• fiberglass
• fibreglass
• hourglass
• isinglass
• lemongrass
• martinmas
• orchardgrass
• overpass
• plexiglas
• plexiglass
• sassafras

Kids Definition

eyeglass

noun

eye·​glass -ˌglas 

1

: a glass lens used to help one see clearly

2

plural : glass entry 1 sense 2b

Medical Definition

eyeglass

noun

eye·​glass ˈī-ˌglas 

1

a

: eyepiece

b

: a lens worn to aid vision

specifically : monocle

c

eyeglasses plural : glasses, spectacles

2

: eyecup sense 1