re can t wear contacts after rk prk in article apr zeus calpoly edu dfield flute calpoly edu infospunj dan field writes i love the faq the comment about contact lenses not being an option for any remaining correction after rk and possibly after prk is interresting why is this does anyone know for sure whether this applies to prk as well i ve had prk i would suggest asking a doctor about contacts mine said yes to contacts i think the scars from rk would preclude contacts also why is it possible to get a correction in prk with involvement of only about of the corneal depth while rk is done to a depth of up to why such a difference i thought the proceedures were simmilar with the exception of a laser being the cutting tool in prk i must not be understanding all of the differences no rk makes radial cuts around the circumference of the cornea up to i think and these change the curvature of the cornea through stress chages prk vaporizes burns away a thin layer from the front of the cornea making the optical axis of the eye shorter the laser doesn t cut in prk it vaporizes in rk the eye is cut into in the faq the vision was considered less clear after the surgery than with glasses alone if this is completly attributable to the intentional slight undercorrection then it can be compensated for when necessary with glasses or contacts if they can be worn afterall it is important to know if that is not the case however and some other consequence of the surgery would often interfere with clear vision the first thing that came to my mind was a fogging of the lense which glasses couldn t help would not help i find my vision is more clear for some things and less clear for others only at night i notice a definite haloing at night in the darkness when i look at automobile headlamps though this is not something i spend inordinate amounts of time doing for ordinary things my vision in particular having a fully operating peripheral vision is clearer than with glasses or contacts le jojo fresh n clean speaking out to the way you want to live today american all american doing a bit so and even more so
