Eye Wear

Physical or chemical injuries of the eye can be a serious threat to vision if not treated appropriately and in a timely fashion. The most obvious presentation of ocular (eye) injuries is redness and pain of the affected eyes. more...

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This is not, however, universally true, as tiny metallic projectiles may cause neither symptom. Tiny metallic projectiles should be suspected when a patient reports metal on metal contact, such as with hammering a metal surface. Intraocular foreign bodies do not cause pain because of the lack of nerve endings in the vitreous humour and retina that can transmit pain sensations. As such, general or emergency room doctors should refer cases involving the posterior segment of the eye or intraocular foreign bodies to an ophthalmologist. Ideally, ointment would not be used when referring to an ophthalmologist, since it diminishes the ability to carry out a thorough eye examination.

Causes

Flying pieces of wood, metal, glass, stone and other material are notorious for causing much of the eye trauma. Blunt injury by fist (during a drunken brawl), ball (cricket ball, lawn tennis ball), shuttle cock (from Badminton) and other high speed flying objects can strike the eye. Small children may indulge in bow-and-arrow games and firecrackers (respectively common during Dussehra and Diwali festivals in India) which can lead to eye trauma. Road traffic accidents (RTAs) with head and facial trauma may also have an eye injury - these are usually severe in nature with multiple lacerations, shards of glasses embedded in tissues, orbital fractures, severe hematoma and penetrating open-globe injuries with prolapse of eye contents. Other causes of intraocular trauma may arise from workplace tools or even common household implements. The same study concluded that sports-related injuries due to eyeglasses wear were more common in those under the age of 18 and that fall-related injuries due to eyeglasses wear were more common in those aged 65 or more. Although eyeglasses-related injuries do occur, prescription eyeglasses and non-prescription sunglasses have been found to "offer measurable protection which results in a lower incidence of severe eye injuries to those wearing ".

Investigation

The goal of investigation is the assessment of the severity of the ocular injury with an eye to implementing a management plan as soon as is required. The usual eye examination should be attempted, and may require a topical anesthetic in order to be tolerable.

The first step is to assess the external condition of the eye and orbit, and check for perforations, hyphema, uveal prolapse, or globe penetration. If the pupil is teardrop-shaped, and the anterior chamber is flat, this is almost always a perforating injury of the cornea or limbal area.

Read more at Wikipedia.org