The earliest evidence of image magnification utilizing a magnifying glass dates back to the Book of Optics that was published by Ibn al-Haytham (Alhazen) in 1021. Starting in 1860, loupe magnification ...

To describe a technique which exploits the transparency and toughness of the pre-Descemets layer (Dua’s layer) to safely perform deep anterior lamellar keratoplasty (DALK) and phacoemulsification at ...

Three main types of lens opacity in age-related cataract are known: nuclear, cortical and posterior subcapsular cataract. Nuclear cataract is more commonly found in the elderly population and ...

The slit lamp exam is a standard diagnostic procedure, which is also known as biomicroscopy. A slit lamp combines a microscope with a very bright light. The slit lamp exam usually forms part of a ...

Oil droplet cataracts are a rare eye condition that can cause symptoms such as blurred vision or double vision. An oil droplet cataract can be difficult to diagnose, but tests such as slit lamp ...

Diseases of the eye can be difficult to diagnose during a general physical examination. A doctor who specializes in treating eye problems, called an ophthalmologist, is better able to examine and ...