Doctor insights on:
What Does Cylinder Mean In Eye Prescription
Can you please explain what this eye prescription means? 0.D. Cylinder -0.25 axis 90 o.S -0.50 axis 75?
Don't worry: It means that you have an incredibly weak prescription and probably don't even need glasses.
My daughter's eye prescription is od -3.00 sphere +2.00 cylinder 110 aaxis and os -6.00 sphere +2.50 cylinder 30 axis what does this mean?
OD is right eye,: OS is left eye. The first #s. sphere, are negative, meaning she is nearsighted. The second #s (cylinder) is the amount of astigmatism that is present. Since astigmatism means the eye is focusing light at an angle, astigmatism comes with a rotation axis. The cylinder is rotated to this axis so that the light can be focused straight on.
Can you assist, need an explanation of my eye prescription. Is it worth buying eye glasses? Rt: -0.25 sphere, -0.50 cylinder, 168 axis. Lt: 0.75 sp
No: My answer is that you rx is so minimal you distance vision would be good without buying this Rx.
It means: There are many numbers that make up a eye glass prescription. They may include the amount of nearsighted or farsightedness, the amount of astigmatism, the location of the astigmatism, whether the glasses or single-vision or multi-vision, the amount of prism in the glasses, the amount of additional power for close work. There are other specifications as well.
No: If the only thing wrong is you need this lens power, which is not rare, then you should not go blind unless there is something else wrong with your eyes and vision.
Recently my contacts have become very blurry, even straight out of the box. Does this mean my eye prescription has changed?
Lens power: These numbers describe the refractive power (strength) of the lens. Negative numbers represent a diverging lens which helps near-sighted people. Positive numbers represent a converging lens which helps far-sighted people.
Eye prescription says: R. -0.50 Sphere. ...L. -1.25 sphere. .. what does these numbers mean? What diagnosis does it represent? Thanks drs...
It's a math formula: The prescription tells the lens maker how to shape the lens (glasses, contacts) that will best correct your vision. The first number is the amount of nearsightedness (-) or farsightedness (+) to be corrected. The next number is the amount of astigmatism to treat and the number after the "x" is the angle of the astigmatism to be treated.See 1 more doctor answer
Yes.: -3.25 would be the power of the contact lens. Assuming you are wearing a soft lens, You also need the other parameters which include the type of contact lens, the base curve and the diameter
My glasses prescription is the following: sphere (-10.0), cylinder (-2.0), axis (176). For tax purposes, I need to know if this characterizes someone as legally blind. Not sure if this is 20/200?
Hi! I have 25 years and I have an 0.50 astigmatism. I have a cylinder glasses prescription. Should I wear them or not?
I'm 43 and feeling eye strain lately. My prescription in both eyes: sphere +25, -.50 cylinder, od axis 85, os axis 105 with a +1.00 add. Will glasses help?
Small numbers: These figures indicate a very minor degree of distance correction. You are at an age when near vision is an issue and might need correction at near. Is your strain from reading? And near vision? If it is generalized, then check with your ophthalmologist for evaluation.
Translation: Od = right eye; os = left eye; sphere = basic power which is a + or - number; cyl = astigmatism power ; axis = the orientation of the cylinder; add = how much extra for near vision in bifocals; prism = prism power (not common) these are the basic numbers - there is no direct correspondence between these and the acuity (20/20 or so). Contact lens prescriptions are different.
Depends: Normally, the glasses prescription in an adult changes slowly. There are some conditions like elevated or reduced blood sugar levels that can change your prescription rapidly. Also, there are some pathologies that cause elevation or recession of the retina and change your prescription. If you feel your prescription may have changed, see your specialist eye md (ophthalmologist).See 1 more doctor answer
Can't answer: An eyeglasses prescription is a complex set of measurements. There are several combinations of these measurements that correct someone who is 20/200.
Eye glass prescrip: Yes. Objective and subjective measurements vary but generally are consistently close. Sometimes prescriptions appear to be different, but are actually the same by way of writing them out in a transposed format.
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