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Advances in cataract surgery Eric John Arnott , MA, FRCS , FRCOphth (12 June 1929 – 1 December 2011) [ 1 ] [ 2 ] was a British ophthalmologist and surgeon who specialized in cataracts , a condition which in many parts of the world still remains the principal cause of blindness.
Posterior capsular rupture, a tear in the posterior capsule of the natural lens, is the most-common complication during cataract surgery. [8] Posterior capsule rupture can cause lens fragments to be retained, corneal oedema, and cystoid macular oedema ; it is also associated with increased risk of endophthalmitis and retinal detachment.
Cataract surgery in small animals such as dogs and cats is a routine ophthalmic procedure with a success rate of around 90%, and is usually better for eyes with relatively recent cataract development. The presence of other ocular problems may reduce the success rate. Procedures are similar to those for humans.
A method of pre-chopping the cataract using the same bent cystotome needle used for capsulorhexis and a Nagahara chopper was described by Takayuki Akahoshi in 1998. [13] [14] Recent advances in phacoemulsification technology involve combining the ultrasonic and irrigation-aspiration sleeve into a single handpiece with disposable tip sleeves.
Prevalence of cataract considerably varies by age group, as well: for ages 50–59, it is 7.88%; for ages 60–69, it is 24.94%; for ages 70–79, it is 51.74%; in people over 80 years old, it is 78.43%. The overall cataract-surgery coverage rate was 9.19%. The prevalence of cataract and cataract surgical coverage also significantly varies by ...
Posterior capsular opacification, also known as after-cataract, is a condition in which months or years after successful cataract surgery, vision deteriorates or problems with glare and light scattering recur, usually due to thickening of the back or posterior capsule surrounding the implanted lens, so-called 'posterior lens capsule opacification'.
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