Specialty Eyecare Centre (Seattle, WA 98104-3506)

• Why do people need bifocal glasses ?

  Bifocal glasses are usually needed by people over 40 who are nearsighted and have presbyopia at the same time.Due to the eye muscles degeneration as they old,their eyes lose the elasticity of seeing both near and far.So they need the bifocals to help correct their vision.

• What's the difference between varifocal and bifocal glasses?

  Bifocal lenses have two different areas that is used to correct both nearsightedness and presbyopia. And a line is visible in the bifocal lens.While varifocal lenses do not have a line where the two prescriptions meet and can correct the vision for mid-range or arm's-length , so you can use varifocal glasses to see computer.

• Can I go for progressive lenses to see computer screen?

  Yes,you can.The progressive glasses are multifocal and enable you to see near,middle and far.But you may have difficulties in getting used to them at first.

• Should I get Mono vision contacts Or bifocal glasses?

  For your case,you have different prescriptions in your both eyes.Actually you don't need bifocals,single vision glasses are enough for you.You just need to have your eyes examined and get the prescription.The doctor will prescribed that kind of glasses for you.

• How long will it take to get used to bifocal prescrition glasses?

  It is normal to have headache cuz your eyes are adjusting to get used to them.Generally it may take one week to get used.If the headache is acute,you need to visit your doctor.

• Where to buy cheap and good bifocal glasses on line?

  Just google it.Many online stores can provide good bifocal glasses in low price.

• Can I switch from bifocal glasses to mono vision contacts?

  If you feel good wearing mono vision contacts,I can't see the reason why you can't.

• Is it normal for a child to have bifocal lenses ?

  It is much less common for children to wear bifocals,but if you are nearsighted have problems in close work such as reading,you may need bifocals .

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