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Can I use annual contact Lens more than one year?

It is not recommended to use contact lenses that are out of date. Because the cotact lenses are much easier to be infected during long time of use and there is possiblity that the bacterial stay on the surface of the lenses so as to cause eye diseases.

Where to buy steve jobs eyeglasses?

The glasses that Steve Jobs wore were the German Lunor Classic Rund PP which is a pair of round-lensed glasses. I am not sure where to get the exact same glasses as that Steve Jods worn, but you can buy similar ones, like round glasses at any optical stores.

What is the difference between a contact lens prescription and glasses prescription?

This depends on how strong your power is. A contact lens prescription can be the same as a prescription for glasses when: - the prescription is a lower power, ie: -4.00 to +4.00 and - there is absolutely no astigmatism present. If you have any astigmatism or require a lens power greater than +/-4.00, the parameters of the contact lens can change. - if you have astigmatism under 0.50, a spherical lens should be prescribed. - astigmatism of 0.50 to 0.75 can be effectively corrected with an aspheric lens. - astigmatism greater than 1.00 should be managed with a toric lens. If your prescription power for glasses is greater than +/-4.00, you should see a difference in the power of your contact lens prescription. Generally, every time your glasses prescription increases or decreases by a power of 2, your contact lens prescription will increase by an additional power of +0.25. For every power change of 2 in a glasses prescription, the difference of +0.25 power is needed to compensate for the location of the contact lens. Your glasses are much further from the front surface of the cornea than contact lenses. Sources: http://www.contactlenses.co.uk/education/public/spectacle_vs_contact_lens_rx.htm

Will the contact lens be very thick if I have strong prescription?

No. contact lenses would not be thicker if you have stronger prescription, instead Focal length of contact lenses decreases.

Why do my contact lenses always move in my eyes?

Maybe it is because you can't put them into the correct position. If they are in the right position, it is probably caused by the bigger of basic curve. If the number of basic curve is bigger, then the lens is flatter and in this case the lens will slip so that you can feel the lenses moving in your eyes.

What does BC stand for on contact lenses prescription?

BC on contact lenses stands for ""base curve."" The base curve of a contact lens is related to the shape of the patient's eye. It is one of the items in your eyes examination. In most cases, the base curve is the same for both eyes.

How can I know my contact lens is inside out?

If your contact lenses are turned inside out, this will cause some discomfort when blinking your eyes and won't fit close to your eye, as well as cause some slight vision problems. While it's on your finger, an inside-out lens will look like a U with flared edges. A lens in the proper bowl shape, with smooth edges, is in the correct position.

How to prevent my contact lens from wind?

Sunglasses/goggles may work. If you want to proect your eyes better, the oversized sunglasses may be your first choice cause they can wrap your eyes around.