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Doctor insights on: Can I Determine My Vision From My Corrective Lens Prescription

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Can I determine my vision from my corrective lens prescription?

Can I determine my vision from my corrective lens prescription?

Roughly: There is a rough correlation between the prescription and the vision chart-- for each line on the vision chart, there is approximately 0.25 d change in the prescription. So you can estimate your vision based on this formula. ...Read more

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Dr. Richard Bensinger
1,667 doctors shared insights

Vision (Definition)

Vision is a feature of a person's brain that allows him to see. He must have normal eyes, optic nerves (that stretch from the eyes to the back of his brain), and visual cortex (the vision center in the brain), in order to see properly. An ophthalmologist is a ...Read more


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I have a corrective lens prescription for myopia. How do I derive the intermediate (computer) distance from a D.V. prescription?

I have a corrective lens prescription for myopia. How do I derive the intermediate (computer) distance from a D.V. prescription?

Add a little plus: In most cases the prescription will be for distance indicating some degree of minus power. To adjust for computer screen distance, add +1.25 to this power and that usually works. Note however, that the pupillary distance (the space between each eye) is set for distance viewing (usually 57-63 mm) and needs to be adjusted closer for viewing of a video screen. ...Read more

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Will the eye doctor give me a contact lens prescription if it's my first time wearing a corrective lense?

Will the eye doctor give me a contact lens prescription if it's my first time wearing a corrective lense?

Yes: Yes if your correction is amenable to contacts. Your doctor will also check the health of your eye to see if your eye would tolerate wearing a contact lens. ...Read more

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How can you improve your vision without utilizing corrective lenses?

How can you improve your vision without utilizing corrective lenses?

Diet, Light, XRcise: 1) a well balanced diet is essential for optimal functioning of all parts of the body. If you are unable to eat certain necessary foods, speak with your family doctor about food supplements. 2) make sure you always have adequate lighting for reading, proper background room light when watching tv, and sun glasses for outdoor activities. 3) strengthen your ocular muscles by doing "push-ups", etc. ...Read more

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Can you fix low vision with corrective lenses?

Somewhat: High power reading glasses and magnifiers are used in low vision and can greatly improve vision in some people. ...Read more

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Blurry vision after taking out corrective lens, what to do?

Blurry vision after taking out corrective lens, what to do?

Soft or Gas Perm cls: Gas permeable contacts can alter the shape of the cornea resulting in blurred vision with glasses after they are removed (spectacle blur) this is best compensated by getting a glass rx for that shape so you can use your glasses in the evening. In this case, the longer you use your glasses, without contact use in between, the worse they will function. ...Read more

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Is it possible to fix low vision problems with corrective lens?

Is it possible to fix low vision problems with corrective lens?

Yes: Corrective lens enhance existing vision (no restoration), so custom magnifiers, telescopes, cctv, etc can help low vision patients. Sometimes the telescope can be implantable as an intraocular lens for some amd patients. ...Read more

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Is it possible for you to fix low vision problems with corrective lens?

Is it possible for you to fix low vision problems with corrective lens?

Not usually: A corrective lens is part of an overall strategy to deal with low vision. A low vision specialist can help with this. In many states, low vision services are free of charge through the department of the blind. ...Read more