Type III hypersensitivity is mediated by the formation of antigenâantibody complexes that either activate complement for direct toxic effects or attract inflammatory cells, especially neutrophils that bind the complexes by Fc receptors and cause tissue damage.
1 The cost of laser eye surgery, known as LASIK, varies widely from surgeon to surgeon, with a national average of about $1,950 per eye. 2  Average prices do not vary much by geographic region, but minimum and maximum fees do. 3  All About Vision provides a chart of regional cost differences. This allows for a more precise vision correction and possibly lower chances of post-surgery complications. 2  Most surgeons charge between $200 to $500 extra per eye for this. 3  Also, if your surgeon uses IntraLase, another new technology, you can expect to pay an average of $344 more per eye.
1 For patients not covered by health insurance, cataract surgery typically costs $5,000 to $10,000 per eye, for a total of $10,000 to $20,000 for both eyes. 2  For example, at Park Nicollet, a hospital in Minneapolis, Minn., it costs about $4,365 per eye -- a total of $8,730 for both eyes. Prescription eye drops usually are required after cataract surgery. 2  Within five years after cataract surgery, one in four patients develop cloudiness on part of the lens capsule that remains in the eye after surgery; to correct this, a five-minute procedure, called YAG laser capsulotomy, is needed.