Meaning
角膜 refers to the transparent, dome-shaped front surface of the eye that covers the iris and pupil. It's a crucial anatomical structure that helps focus light entering the eye. This is a medical and anatomical term used in ophthalmology and general health contexts.
Usage
This is a formal medical/anatomical term used by doctors, in health literature, and in scientific contexts. Native speakers typically encounter it when discussing eye health, eye injuries, contact lenses, or eye surgeries. It's not everyday conversational vocabulary unless discussing specific eye conditions.
Examples
- 01他因为角膜受损需要做移植手术。.He needs a transplant surgery because his cornea is damaged.
- 02长期佩戴隐形眼镜可能会影响角膜健康。.Wearing contact lenses for extended periods may affect corneal health.
Characters
Measure words
- 层一层角膜
Common collocations
- 角膜炎keratitis, corneal inflammation
- 角膜移植corneal transplant
- 角膜损伤corneal injury
- 角膜溃疡corneal ulcer
Origin
The term combines 角 (horn/corner) and 膜 (membrane), literally meaning 'horn membrane,' referring to the cornea's curved, transparent, protective membrane-like quality that resembles a thin horn layer covering the front of the eye.