Sometimes when a person realises that they require glasses, they are able to simply choose a pair ‘off the shelf’ and purchase them. However, in some cases these glasses are not sufficient to correct a person’s visual impairment, in which case Prescription Lenses may be required. Prescription lenses are only prescribed to someone following an [...]
Posts Tagged ‘Progressive Lenses’
Why Are Prescription Lenses Used?
February 12th, 2011 by Aakash Shah
Varifocals – What Are They and How Do They Work?
January 9th, 2011 by Aakash Shah
Varifocals have a wide scope of prescription strengths in the same lens, meaning they have a wider “corridor” over which vision is close to natural. This allows you to select the best lens strength to view objects at any distance, near or far. This “corridor” of change in lens power is what makes varifocals so [...]
Posted in Progressive Lenses 
Tags: multifocal lenses, Progressive Lenses, Varifocal Lenses 
No Comments »Progressive Prescription Eyeglasses
June 23rd, 2010 by Aakash Shah
The number of presbyopic patients in the world is very huge. This eye problem happens to the overwhelming majority of individuals age 40 and above. The reason is that presbyopia is not a refractive visual error, but is caused by the eyes’ natural aging. Knowing this, most people can understand that presbyopia is unavoidable in [...]