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The Current Situation on Non-Penetrating Glaucoma Surgery-Dr.Vivek Myatra

  The concept of non-penetrating glaucoma surgery (NPGS) originated in
1964 when Krasnov published his first report on sinusotomy.1 This
operation consisted of removing a lamellar band of the sclera, opening the
Schlemm’s canal over 120º from 10 to two o’clock. The inner wall of
the Schlemm’s canal was untouched and the conjunctiva was closed.
However, sinusotomy never became popular because it was a difficult
operation, it needed a surgical microscope and the Schlemm’s canal had to
be found, which is not easy.......
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