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Confronted by these stark assess_ents_ Government
attorneys sought to advance the notion that laser surgery was
non-invasive and thus msafer x than conventional filtration _
procedures. Keith Greenf who is not a surgeon, suggests laser
surgery is a virtual panacea offering effective relief to more
than 80% of patients receivingthe therapy. 19-_/
_ Dr. MezTitt_ a qualified surgeon who has performed
laser surgery_ offers a much less optimistic views noting laser
surgery is at best an #adjunct #_9-_/ to medical treatmentst
Merritt describes the procedure as _ineffective H_8_/ and na
useless procedure, m_/ While laser surgery to reduce lOP is a
fairly recent innovation, adverse effect reports are already
beqinning to appear° According to Dro Merritt there are _four or
five m documented cases of patients having been blinded as a
....... result of complications associated with laser surgery. 486/
While the evolving technique of laser surgery may
afford some patients a measure of relief which cannot be obtained
through other modes of therapy, it is clear that this surgical
procedure is not always effective_ particularly for certain
subgroups of glaucoma patients [supra_ and the short and long
_term risks are but dimly understood° Obviously_ there are sharp
differences of opinion on the utility of laser surgery° The
482/ Cross-Ex_mination of Keith Greens Ph.D., Tr. 9-168.
_9__/ Cross-examination of Dr_ John Merritt_ Tr. 10-110.
_9__/ /_. at 10-109-!10-111.
48_/ ___. at 10-109.
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