surgery, says Dr.
Mamalis. However, he
says, surgeons are dis-
covering that IFIS and
pupillary constriction
can still occur even
when intracameral
epinephrine is used.
Surgeons in England
have found that intra-
cameral phenyle-
phrine injections
administered at the
beginning of a case
lets them perform sur-
gery without using
rings to maintain
mydriasis, adds Dr.
Mamalis.
Dr. Whitman uses a
compounded mixture
of phenylephrine and
lidocaine.
Phenylephrine effec-
tively dilates the
pupils, even in
patients with IFIS and
those on medications
that can cause pupils
Simple. Safe. Effective.
I-Ring® Pupil Expander
• Reduced iris trauma
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