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Corneal abrasions are the most common injury; they are caused by direct trauma, exposure keratopathy/keratitis [1] [7] [8] or chemical injury. [7] [9]An open eye increases the vulnerability of the cornea to direct trauma from objects such as face masks, laryngoscopes, identification badges, stethoscopes, surgical instruments, anaesthetic circuits, and drapes.
This is a shortened version of the sixth chapter of the ICD-9: Diseases of the Nervous System and Sense Organs. It covers ICD codes 320 to 389. The full chapter can be found on pages 215 to 258 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1.
691.8 Eczema, atopic dermatitis; 692 Contact dermatitis and other eczema. 692.0 Contact dermatitis and other eczema due to detergents; 692.1 Contact dermatitis and other eczema due to oils and greases; 692.2 Contact dermatitis and other eczema due to solvents; 692.3 Contact dermatitis and other eczema due to drugs and medicines in contact with skin
Thygeson's superficial punctate keratopathy (TSPK) is a disease of the eyes.The causes of TSPK are not currently known, but details of the disease were first published in the Journal of the American Medical Association in 1950 by American ophthalmologist Phillips Thygeson (1903–2002), after whom it is named.
1 in 10,000 procedures The incidence of life-threatening hypersensitivity reactions occurring during surgery and anesthesia is around one in 10,000 procedures. [ 1 ] Severe allergic reactions to anesthetic medications are rare and are usually attributable to factors other than the anesthetic.
Central retinal artery occlusion: CRAO is characterized by painless, acute vision loss in one eye. [11] Central retinal vein occlusion: CRVO causes sudden, painless vision loss that can be mild to severe. [12] Branch retinal vein occlusion: sudden painless vision loss or visual field defect are the main symptom of BRVO. [13]
Photopsia; This is an approximation of the zig-zag visual of a scintillating scotoma as a migraine aura. It moves and vibrates, expanding and slowly fading away over the course of about 20 minutes.
Optic neuropathy is damage to the optic nerve from any cause. The optic nerve is a bundle of millions of fibers in the retina that sends visual signals to the brain. Damage and death of these nerve cells, or neurons, leads to characteri