For some people, buying eyeglasses online may be an OK way to get a new pair or two. But for others this may end up to be a complete disaster. A lot of different considerations go into selection and function of your eyeglasses to include;
• Pupilular distance (PD measurement)
• Bifocal or Ocular Center measurements
• How high is the sphere power
• How high is the cylinder power
• Is there ground in prism
• Different materials available and can the person adapt.
• Base curve requirement
• Types of lenses available
• Other options that assist the lenses in optimum performance
• Type of frame… metal or plastic.
• Eye conditions being treated with the prescription eyeglasses.
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