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Trachoma is an infectious disease caused by bacterium Chlamydia trachomatis. [2] The infection causes a roughening of the inner surface of the eyelids. [2] This roughening can lead to pain in the eyes, breakdown of the outer surface or cornea of the eyes, and eventual blindness. [2]
Chlamydia trachomatis (/ k l ə ˈ m ɪ d i ə t r ə ˈ k oʊ m ə t ɪ s /) is a Gram-negative, anaerobic bacterium responsible for chlamydia and trachoma. C. trachomatis exists in two forms, an extracellular infectious elementary body (EB) and an intracellular non-infectious reticulate body (RB). [2]
Trachoma is a chronic conjunctivitis caused by Chlamydia trachomatis. [20] It was once the leading cause of blindness worldwide, but its role diminished from 15% of blindness cases by trachoma in 1995 to 3.6% in 2002. [21] [22] The infection can be spread from eye to eye by fingers, shared towels or cloths, coughing and sneezing and eye-seeking ...
The ethmoid bone is an anterior cranial bone located between the eyes. [3] It contributes to the medial wall of the orbit, the nasal cavity, and the nasal septum. [3] The ethmoid has three parts: cribriform plate, ethmoidal labyrinth, and perpendicular plate.
These diagrams are used in many sanitation publications. [7] They are set up in a way that fecal–oral transmission pathways are shown to take place via water, hands, arthropods and soil. To make it easier to remember, words starting with the letter "F" are used for each of these pathways, namely fluids, fingers, flies , food, fields, fomites ...
A review of treatments showed that the anti-mite drug ivermectin can be an effective treatment for reducing symptoms. [24] Eye drops or ointments containing corticosteroids are frequently used in conjunction with antibiotics and can reduce eyelid inflammation. [4] [5] [25] The supplement n-acetylcysteine may be effective for blepharitis. [26]
Diagram of the different types of soft tissue in the body The body consists of many different types of tissue , defined as cells that act with a specialised function. [ 8 ] The study of tissues is called histology and is often done with a microscope .
Dacryocystitis is an infection of the lacrimal sac, secondary to obstruction of the nasolacrimal duct at the junction of the lacrimal sac. [1] The term derives from Greek dákryon 'tear' cysta 'sac' and -itis 'inflammation'. [2]