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Doctor insights on: What Kind Of Lens Is Used To Treat Myopia

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What are ortho-k lenses used for: myopia (nearsightedness) or astigmatism?

What are ortho-k lenses used for: myopia (nearsightedness) or astigmatism?

Both: Ortho-k is an expensive and non-sensible treatment. With this, you wear contact lenses while you sleep that mould the cornea. This allows better vision. During the day, the cornea reshapes itself to normal. What this means is that you see well for a few hours and your vision fades as the day progresses. A more sensible and cheaper solution is to wear contact lenses during the day. ...Read more

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Could myopia reverse when using convex lens (magnifying lens).?

No: Lenses do not change the eye. A convex lens would be the opposite of what a myope needs which is a concave lens. ...Read more

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Will lenses with a small positive value like say +0.5 help reverse some degree of myopia over time?

Will lenses with a small positive value like say +0.5 help reverse some degree of myopia over time?

No effect: Myopia is unaffected by whether or not you wear corrective lenses or contacts. If you have some amount of myopia, wearing a +0.5 lense will simply give you a longer time with blurred vision. ...Read more

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Can people with myopia wear toric lenses?

Can people with myopia wear toric lenses?

Yes: Toric lenses are used to correct astigmatism so if you have myopia and astigmatism you can wear toric lenses. If you only have myopia you will not need them. ...Read more

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Hi what's the side effect of conatact lens for myopia?Ist bad?For how many hours I have to wear them?

Hi what's the side effect of conatact lens for myopia?Ist bad?For how many hours I have to wear them?

Should be none: Contact lenses are a substitute for eyeglass correction. When properly fit and with the proper power, you should see well and there should be no side effects if you keep the schedule prescribed. Always remove the lenses if the eye(s) gets red and replace them according to schedule and there should be no issues. Wear them as long as you need good vision within the proper schedule. ...Read more

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What power lens would be required to correct the myopia of someone who can only see the topmost row of a snellen chart?

What power lens would be required to correct the myopia of someone who can only see the topmost row of a snellen chart?

Probably about -4: Its likely that the prescription will be somewhere between -4 to -6. The only way to know for sure is to get your eyes refracted. ...Read more

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My contact lens Rx is -3.75 BC 8.8 DIA 14.0 (left) & -3.50 BC 8.8 DIA (right). What does that mean in terms of myopia severity & Rx strength? Curious.

My contact lens Rx is -3.75 BC 8.8 DIA 14.0 (left) & -3.50 BC 8.8 DIA (right). What does that mean in terms of myopia severity & Rx strength? Curious.

Myopia: Your degree of nearsightedness is mild-moderate level. Your contact lens prescription indicates this -3.50 OD (right), -3.75 OS (left). The BC is the base curve of contact which is the curvature measurement in milimeters of the back of the contact ( smaller the number the more curved or steeper your cornea). The diameter is how wide the contact is and how it will rest on your eye. ...Read more

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25y.old,myopia 5.00,wear lenses, a few times vision goes a little hazy for a few seconds then everything ok.done dfe yesterday.everything ok.any idea?

25y.old,myopia 5.00,wear lenses, a few times vision goes a little hazy for a few seconds then everything ok.done dfe yesterday.everything ok.any idea?

Dry tear film: Most likely Dry tear film. See Eyedoc2020.blogspot.com for treatments. Use artificial tears 2-4x/d. Otherwise could be need for new Rx; unlikely to be new diabetes but if gets worse have blood sugar check as this can cause occasional blurred vision ...Read more

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Do the hard contact lenses affect the speed of the myopia?

Do the hard contact lenses affect the speed of the  myopia?

No effect: Well fitted contact lenses should be comfortable and the vision should be fine. This will not change the power of the eye nor the speed of the progression of the myopia if that is going to occur. ...Read more