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presbyopia    
n. 老花眼,远视眼

老花眼,远视眼

presbyopia
n 1: a reduced ability to focus on near objects caused by loss
of elasticity of the crystalline lens after age 45 [synonym:
{presbyopia}, {farsightedness}]


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  • What Is Presbyopia? - American Academy of Ophthalmology
    There is no way to stop or reverse the normal aging process that causes presbyopia However, presbyopia can be corrected with eyeglasses, contact lenses, medication, or surgery If you do not correct presbyopia, you may be bothered by headaches and eye strain
  • Presbyopia - Symptoms and causes - Mayo Clinic
    Presbyopia is the gradual loss of your eyes' ability to focus on nearby objects It's a natural, often annoying part of aging Presbyopia usually becomes noticeable in your early to mid-40s and continues to worsen until around age 65
  • Presbyopia: Symptoms, Causes Treatment - Cleveland Clinic
    What is presbyopia? Presbyopia is the medical term for your eye losing the ability to change its focus This affects how well you can see close-up objects It occurs as your eye’s natural lens grows less flexible with aging
  • Presbyopia - Wikipedia
    Presbyopia is a physiological insufficiency of optical accommodation associated with the aging of the eye; it results in progressively worsening ability to focus clearly on close objects [4]
  • Presbyopia: Symptoms, Treatment, Definition - All About Vision
    Learn about presbyopia causes, symptoms and treatments, including options for contact lenses, eyeglasses or vision surgery
  • Presbyopia: Symptoms, Diagnosis, and Treatment - WebMD
    Presybyopia: What is presbyopia? The natural decline in vision that often comes with age Know its causes and solutions
  • Presbyopia - National Eye Institute
    Presbyopia is a refractive error that makes it hard for middle-aged and older adults to see things up close It happens because the lens (an inner part of the eye that helps the eye focus) stops focusing light correctly on the retina (a light-sensitive layer of tissue at the back of the eye)
  • Presbyopia: How Aging Affects Your Vision - Verywell Health
    Key Takeaways Presbyopia starts after age 40 and worsens until around age 65 Symptoms include difficulty seeing up close, needing more light, and eye strain Treatments include reading glasses, contact lenses, and surgery, but presbyopia cannot be reversed
  • How to Treat Presbyopia: Glasses, Drops, and Surgery
    Presbyopia is treated with reading glasses, progressive lenses, contact lenses, prescription eye drops, or surgery, depending on your age, lifestyle, and how much the condition affects your daily routine Nearly everyone develops presbyopia starting around age 40, and the condition gradually worsens until your early to mid-60s, so the right treatment often changes over time
  • Presbyopia: When to Seek Help, Surgery, and More - Vision Center
    Presbyopia is caused by the natural aging process of the eye's lens Over time, the lens hardens and becomes less flexible, making it difficult to quickly adjust focus for close-up vision





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