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.
Because the initial cost of laser eye surgery can seem high when compared to the cost of a three-month supply of contact lenses or new eyeglasses, many patients choose not to undergo these procedures. On average, conventional PRK eye surgery costs about $1,800 and custom PRK eye surgery can cost up to $4,000.However, the procedure has the potential to permanently improve your vision and eliminate your dependency on glasses and contact lenses. 1  RELATED: Find a qualified eye doctor in your area.n average, conventional PRK eye surgery costs about $1,800 and custom PRK eye surgery can cost up to $4,000. However, the procedure has the potential to permanently improve your vision and eliminate your dependency on glasses and contact lenses. 1  RELATED: Find a qualified eye doctor in your area.