Bifocal glasses have the lenses with two powers meant for near vision and distance vision. The upper segment of the bifocal glass has power which corrects distance vision. The lower segment of the glass corrects near vision. When we read something, for instance, we look down and see through the lower segment of the glasses. … Read more
The term ‘reading glasses’ is used for glasses which are used for near work including reading. The power of the lenses in the reading glasses may exclusively be only for near work or the glasses may have lenses for both distance and near work (bifocal or progressive reading glasses). Why do we need reading glasses? … Read more
We need reading glasses to correct presbyopia. Presbyopia is a condition which appears around the age of forty years in which distance vision is good but objects at close distance are blurred. This condition is related to age and is clinically similar to hypermetropia (far-sightedness) which is found in younger age group. Click here to … Read more