Step 1. Have a current glasses prescription (a prescription less than 2 year old), preferably with your PD (pupil distance) noted. If PD isn’t noted you can rely on the default value or measure it your self using a ruler with millimetres and a friend. Have your friend stand in front of you facing you [...]
Archive for September, 2010
Steps For Buying Safety Glasses Online
September 14th, 2010 by Aakash Shah
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Anti-reflective Lens Coatings – Pros and Cons
September 13th, 2010 by Aakash Shah
Anti-Reflective Coating: Are you missing out on a clearer picture? Anti-reflective coatings reduce unwanted reflections from surfaces and are commonly used on spectacle, photographic and optical instrument lenses. Reflections are a problem for spectacle wearers. Power rings, which are particularly noticeable in high minus lenses, are produced by multiple reflections at the lens surfaces. If [...]
How to Choose Online Prescription Glasses
September 12th, 2010 by Aakash Shah
Firstly it is very important to have a current prescription. This means that your eyes must have been tested within the previous 2 years. The prescription should be for spectacles or glasses not contact lenses as they are often not exactly the same. Understanding your prescription: There are some basic optometric terms used for all [...]