Determine Contact Lenses For Minus Eyes And Cylinders?

Illustration of Determine Contact Lenses For Minus Eyes And Cylinders?
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Excuse me, I am minus 4.5 and cylinder is 0.75, while my left eye is only minus 4 optics saying I use contact lenses that are minus 5 for right and 4.25 for left. Is that safe? thank you

1 Answer:

Hello Zara,

Thank you for the question.

Minus eyes or myopia or nearsightedness are conditions in which shadows fall in front of the retina, so the vision becomes blurred. People who have myopia usually have eyeballs that tend to be longer, so the distance between the cornea and retina will cause differences in vision function or refraction function, but there can also be disturbances in the shape of the cornea and lens in the eye. People who have myopia can see things normally at close range, but have difficulty seeing objects at a distance, so they need vision correction.

While cylindrical or astigmatism is a condition where there are differences in the corneal arch, causing interference with visual function. Cylinders, together with myopia, can be corrected with glasses. In myopia, minus glasses can be prescribed, and in cylinders, cylindrical glasses can also be prescribed. But usually, in cylinders that are still small or below -1, cylindrical glasses are rarely prescribed. In addition, for people who have just gotten a prescription minus glasses, usually the minus that is given is smaller than the minus they actually have, to adjust vision and let the eyes adapt first.

Therefore, it is recommended that you consult an ophthalmologist to confirm the prescription for the glasses you need to use. In addition, do eye exercises to reduce deterioration minus the future, such as often resting the eyes with the rules '20-20-20', which is every 20 minutes, take 20 seconds to see a distance of 20 feet or about 6 meters in the future.

Hopefully this information can help.

Regards.

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