Doctor insights on:
What Does Cylindrical 50 Mean
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. ...Read more
Astigmatism: If the front of the eye or the internal lens is not a perfect sphere and is slightly oval, it may require special correction in one direction. This is referred to as cylindrical power necessary to correct the ovalness. It is also referred to as the astigmatism of the eye. ...Read moreSee 1 more doctor answer
My eyesight is -4 with cylinderical -1. Can it be made 20/20 by any mean. How poor eyesight can lead to blindness?
Should be ...: Correctable with glasses or contact lenses, or even laser eye surgery. If not correctable then there are other things going on the prevent this like a cataract or retina abnormalities. You need a good pomprehensive eye exam, this will determine what is going on with your eyes. ...Read more
Oxygen Therapy: Oxygen is most commonly delivered by flow rates such as liters per minute (l/min). Each l/min adds approximately 3% to the percentage of air that is oxygen. For example, at 2l/min the patient is receiving 6% additional oxygen. Normally, the ambient air is 21% oxygen, so this patient would be receiving 6+21 or 27% oxygen. ...Read more
Can you please explain what this eye prescription means? 0.D. Cylinder -0.25 axis 90 o.S -0.50 axis 75?
What does cylindrical power actually means? And what is the best laser vision correction of today?
I have right sphere -2.50 cylinder -1.50 axis 15. Left sphere -2.75 cylinder -1.75 axis 150. Can i wear contacts? And do I need special contacts
I got axis change in cylinder from -2.50 120 to 30 but it not as bright I imagine. its blurry. what should i do? is it safe if I wear this?
Transposition: Sounds like it was just transposed, meaning different numbers but mean the exact same thing. this has to do with cylinders, which means astigmatism. Astigmatism correction doesn't make things brighter, but more sharp. If its blurry, you need to go back to whoever prescribed it to you. Its not dangerous, but could cause headaches if its the wrong prescription. ...Read more
- Talk to a doctor live online for free
- What does it mean when hemoglobin is at 50?
- What does 50 percent effaced mean?
- What does cylinder mean in eye prescription?
- Ask a doctor a question free online
- What does sgpt 50 mean?
- What does a cpk of 240 mean?
- What does it mean if you feel a pulse in your stomach?
- What does it mean when your period blood is brown?
- What does cylindrical power mean?