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cornea    音标拼音: [k'ɔrniə]
n. 角膜

角膜

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  • Cornea: What It Is, Common Disorders Preventing Injury - Cleveland Clinic
    Your cornea is the clear, dome-shaped covering on your eye that acts like your eye’s windshield It’s easy to take your corneas for granted, but they do a critical job Learn more about them and how to care for them
  • Cornea - Wikipedia
    The cornea is the transparent front part of the eyeball which covers the iris, pupil, and anterior chamber Along with the anterior chamber and lens , the cornea refracts light, accounting for approximately two-thirds of the eye's total optical power
  • Cornea: Anatomy, Common Symptoms, and Treatments - WebMD
    Your cornea is your eye’s clear, protective outer layer It acts like a barrier against dirt and germs, and it helps filter out some of the sun's damaging ultraviolet light It also plays a key
  • Corneal Conditions - National Eye Institute
    The cornea is the clear outer layer at the front of the eye There are several common conditions that affect the cornea Read about the types of corneal conditions, whether you are at risk for them, how they are diagnosed and treated, and what the latest research says
  • Cornea - Definition and Detailed Illustration - All About Vision
    The cornea is the clear front surface of the eye It lies directly in front of the iris and pupil, and allows light to enter the eye The cornea has five layers
  • Cornea: Anatomy, Function, and Treatment - Verywell Health
    The cornea is the clear dome of tissue at the front of the eye It connects smoothly to the sclera (the white part of the eye) The cornea refracts light through the lens below it, which allows the eye to process images Injuries to the cornea can impair a person’s vision
  • Cornea | Structure, Function Disease | Britannica
    cornea, dome-shaped transparent membrane about 12 mm (0 5 inch) in diameter that covers the front part of the eye Except at its margins, the cornea contains no blood vessels, but it does contain many nerves and is very sensitive to pain or touch
  • Cornea Conditions: Causes, Symptoms Treatments
    Cornea conditions range from mild irritation to sight-threatening disease, and each can disrupt the cornea’s transparency and refractive power If you notice blurred vision, pain, redness, or light sensitivity, a comprehensive eye exam will pinpoint the cause and guide effective treatment Below, we cover the most frequent cornea conditions
  • Cornea Research Foundation of America - What is the Cornea?
    The cornea is the clear tissue covering the front of your eye Like the crystal on your watch or the windshield to your car, your cornea serves as a protective window that allows light to enter your eye and come to focus on your retina The cornea must remain clear for you to have good vision





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