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.
How much does cataract surgery generally cost? As of 2012, cataract surgery generally costs $3,429 per eye in the United States, according to Restoration Eye Care. An advanced technology lens, which corrects either astigmatism or presbyopia, costs another $449 or $895 per eye respectively. For laser cataract surgery, another $872 per eye is added to the cost.