Doctor insights on:
Farsightedness Refractive Error
It depends: If the difference is small, the brain can usually fuse the two images, especially with the help of glasses. When it becomes very large (anisometropia), it becomes more difficult to fuse and can result in amblyopia. Contact lenses tend to be better tolerated in people with large differences than glasses. ...Read more
Depends on the cause: There are several ways to treat vision problems related to refractive errors (need for prescription correction). The easiest is to wear glasses. Contact lenses can decrease your need for glasses, but must be cared for regularly in order to prevent infections. Laser vision correction and lens replacement surgery are alternatives that can provide lasting glasses-free vision but are costlier. ...Read moreSee 1 more doctor answer
Refractive Error: Yes, this is typically your refractive error. When an eye doctor is comparing the numbers from other exams / doctors, he/she usually refers to the glasses prescription numbers for comparison. In higher levels of refractive error, contact lens prescriptions have be adjusted from the glasses power so the main number to know if your glasses refractive error. ...Read more
If someone has basically no refractive error, what is the normal reading glass prescription as he ages? Also do things like the dashboard get blurry?
Presbyopia: Is the term for the loss in focusing power of the lens of the eye with aging. Yes, the dashboard may eventually get blurry. Smart phones cause more eye strain than we used to have.There can be small variations. Age 42-44: +1.25 45-48: +1.50 49-52: +1.75 53-56: +2.00 57-59: +2.25 60+: +2.50. ...Read moreSee 2 more doctor answers
Suddenly developed bad night glares and starbursts.No refractive error, checked cornea & everything-nothing wrong, have vitreous degen.Cause for glare?
Or consider surgery: Depending on how much and what type of refractive error, glasses and contacts are good options, or you could consider surgery. Modern techniques allow correction of almost any type of refractive error, including myopia (nearsightedness), hyperopia (farsightedness) and astigmatism. More info at http://www.2020vision.Com/refractive_error.Html and www.2020vision.Com/procedures_lasik.Html. ...Read moreSee 2 more doctor answers
Glasses power: Yes, the eye care professionals have instruments as do the optical department optician that can measure the strength of the eyes when they were prescribed, providing they were for that patient and made correctly. However the glasses strength are not the same as the contact lens prescription. Your eye care professional can sort this out for you. ...Read more
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