Essays on Eye

Introduction Dry Eye Syndrome (DES) is defined as a multifactorial disease characterised by a loss of homeostasis of the tear film [1]. Common symptoms include; ocular irritation, grittiness, stinging or burning sensations, itchiness, inflammation, eye fatigue or occasional blurred vision and may range from mild and occasional to severe and continuous [2]. Aqueous-deficient Dry Eye...

Today, an estimated 40 million are blind with a further 290 million people visually impaired. Within the midst of this vast issue is a device known as the bionic eye. Blind people with macular degeneration and retinitis pigmentosa need this device for navigation, facial recognition and daily functioning, such as reading the time or recognising...

The eye is perhaps one of the most sophisticated products of evolution. The eye comes in all shapes and sizes, but its purpose remains the same for all organisms that possess it – to help the organism become more aware of its surroundings using light to create visuals. The eye has become a widespread success...