Couching Cataract
Couching cataract technique - YouTube. Public education affordable and accessible cataract surgical services taken to the rural communities could gradually phase out couching.
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The term couching is predominantly utilized in the literature to describe an antiquated surgical technique for treatment of cataracts in third world countries wherein a sharp or blunt instrument.
Couching cataract. The significance of this story is unknown. Maharshi Sushruta an ancient Indian surgeon first described the procedure around 600 BCE in Sushruta Samhita. It describes the first documented way of treatment of cataract.
Maharshi Sushruta an ancient Indian surgeon first described the procedure around 600 BCE in Sushruta Samhita. Couching is an ancient procedure for reclination of the cataractous lens. Sood NN Ratnaraj A.
Certain idiosyncratic practices are common to early Greek and Sanskrit descriptions of cataract couching eg the requirement for maturity of the cataract the preference for patients of intermediate ages comparison of some eyes to glass rubbing the eye having a wide portion of the couching instrument shaft pars-plana puncture with avoidance of the vein and immediate vision testing. In Mali more cataract patients receive sight-restoring surgery using a traditional couching procedure the lens inside the vitreous body than by modern cataract surgery. Although couching is nowadays routinely practiced merely in remote areas in third world countries it was a precursor to modern cataract surgery and pars plana vitrectomy.
Cataract couching and the goats eye At the start of the third century a story told by Claudius Aelianus Leonidas of Alexandria and pseudo-Galen held that couching originated when a goat with cataract punctured its eye with a thorn. Couching is an ancient method of cataract treatment whereby the cataractous lens is dislocated from the visual axis into the vitreous cavity. Couching for cataract is one of the most ancient surgical procedures.
The earliest known description is found in the Sushruta Samhita published in 600 BCE in India. CATARACTTREATMENTIN HISTORY This case recordofsuccessful treatmentofcataractblindness is a rare survival forit hasbeenstated thatthereis norecord of the surgical relief of cataract in the. Couching is the oldest traditional technique documented to treat cataracts.
This procedure involved using a lancet to push the damaged lens back into the eye. Cataract Surgery in the Ancient World It is difficult to imagine that ancient physicians would perform cataract surgery especially since anesthesia had not been invented yet. Knowledge of the surgery was likely spread via the Silk Road.
However in the interest of restoring clouded vision couching was performed. Couching for cataract is one of the most ancient surgical procedures. It was the only method of cataract treatment until the 19th century.
Cataract surgery may have grown by leaps and bounds but couching is still performed in some parts of the world as this video shows. Cataract surgery techniques - historical perspective In ancient times cataract extraction was performed by couching where a curved needle was used to dislodge the cloudy lens into the posterior segment back part of the eye. 5305872 Indexed for MEDLINE.
Use of the word couching. The technique involves using a sharp instrument to pierce the eye at the limbus. By the Hindu surgeon Sushruta and was later adopted from India by the Greeks and Romans as well as the Egyptians Arabs and Europeans.
Couching methods used were very crude and archaic with attendant poor quality of vision and dissatisfaction. If playback doesnt begin shortly try restarting your. Couching is the earliest documented form of cataract surgery.
The opaque lens is then dislocated from the central visual axis and pushed down into the vitreous cavity through the pars plana. Apart from being unexpected whathappenedin Nineveh 2600years agois notinconsistent with up-to-date ophthalmological thinking. It was first documented and practiced in the 6th century BC.
We now know that cataract couching involves depressing an occluded crystalline lens to the bottom of the vitreous chamber but from the time of Galen until the seventeenth-century cataracts were thought to be separate concretions arising between the crystalline lens and the pupil. We reviewed Graeco-Roman texts to identify the relevance of. One of the earliest surgical interventions for cataracts dating as early as the 5th century BC was a technique called couching which comes from the french word coucher meaning to put to bed.
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