Is 9.0 vision bad?

At values +0,25 to +3,0 diopters
diopters
A dioptra (sometimes also named dioptre or diopter, from Greek: διόπτρα) is a classical astronomical and surveying instrument, dating from the 3rd century BC. The dioptra was a sighting tube or, alternatively, a rod with a sight at both ends, attached to a stand.
https://en.wikipedia.org › wiki › Dioptra
Dioptra - Wikipedia
we speak about slight defect, values +3,25 to +6,0 diopters represent medium farsightedness, from +6,25 to +9,0 diopters we talk about high defect. Serious defect (from +9,25 up) comes with impaired vision, but not only in the near but also for further objects.

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2023-07-13 17:14:45

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Is 270 vision bad?
20/200 or worse, this is considered severe visual impairment, or severe low vision. 20/500 to 20/1000, this is considered profound visual impairment or profound low vision. Less than 20/1000, this is considered near-total visual impairment or near-total low vision.
2024-02-02 23:04:56

Is 2025 vision bad?
20/25 vision isn't bad, it's just slightly below normal vision. Having 20/25 vision means you need to be 5 feet closer to an object to see it as clearly as someone with 20/20 vision. About 35% of adults have 20/20 vision, which is considered average.
2023-11-22 02:54:30

Is 1.0 astigmatism bad?
Between . 75 and 2 diopters is considered mild astigmatism. Between 2 and 4 diopters is moderate astigmatism, and 4 or more diopters is considered significant or “bad” astigmatism. Generally, eyes with 1.5 diopters of astigmatism or more require correction.
2023-08-27 23:06:49

Is 6 12 vision bad?
Distance 6/12 vision means that you can see at a distance of 6 meters what a normal person can see at a distance of 12 meters, meaning thereby you have poor vision and need to stand closer to see the object.
2023-02-18 11:05:06

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