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What is considered moderate myopia?
Moderate myopia, values of -3.00 to -6.00D. In this range, people can only see the large letters on the eye chart. High myopia is usually myopia over -6.00D. These people cannot see the big E on the eye chart.
Is moderate or high myopia?
Mild myopia is 0 D to −1.5 D, moderate −1.5 D to −6.0 D, and high myopia −6.0 D or more. Pathological myopia occurs with more than −8.0 D, although retinal disease, cataract, and glaucoma—the associated threats to vision—can also occur in patients with moderate and high myopia.
What number is considered high myopia?
Doctors generally define high myopia as nearsightedness of -6 diopters or higher, according to the American Association for Pediatric Ophthalmology & Strabismus. The Association also notes that high myopia often occurs in people with very long eyes, and typically appears during early childhood.
Is moderate myopia bad?
Mild myopia typically does not increase a person’s risk for eye health problems. But moderate and high myopia sometimes are associated with serious, vision-threatening side effects. When myopia-related eye problems and vision loss occur, high myopia also is called degenerative myopia or pathological myopia.
What is the difference between moderate myopia and high myopia?
Moderate myopia: -3.25 to -5.00 D or -6.00 D High myopia: greater than -5.00 D or -6.00 D Mild myopia typically does not increase a person’s risk for eye health problems. But moderate and high myopia sometimes are associated with serious, vision-threatening side effects.
What happens if myopia is less than 5 d?
A person who needs ≤ −5 D of correction has a visual acuity that is far worse than the threshold for blindness (–3/6 in the better eye). Even when appropriate refractive correction is provided, myopia continues to place an individual at an increased risk of sight-threatening diseases, including5,6: Glaucoma (open-angle)
Are there any eye problems associated with myopia?
Myopia-Related Eye Problems. Plus, the odds of having a particular type of cataract was twice as high among subjects with high myopia compared with those with low myopia. Myopia and glaucoma. Myopia — even mild and moderate myopia — has been associated with an increased prevalence of glaucoma.
Should myopia be a priority for prevention and treatment?
These estimates should alert policy makers and health care professionals to make myopia a priority for prevention and treatment. Although high myopia carries the highest risk of complications and visual impairment, low and moderate myopia also have considerable risks.