Firm scleral fixation is of prime importance when attempting to perform a McLean corneoscleral groove in preparation for cataract surgery. The same principle applies when a keratome entry in the anterior chamber is made, or in cases of glaucoma surgery, where an ab externo incision is desirable.
If fixation of the scleral is made near the upper limbus, a few millimeters distance from the line of incision, much less rotation of the globe results. The operation will then follow with greater facility.
To accomplish this aim a sturdy double pronged forceps is employed.* The fixation points of each arm are set 1.5 mm. apart. When the forceps is closed one tooth of either side of one arm enmeshes in between two teeth of each side of its opposite arm. The points are sharp, set at an angle, and measure 0.5 mm. in length. When the arms are closely approximated, no
RIZZUTI AB. Double Pronged Scleral Fixation Forceps. AMA Arch Ophthalmol. 1960;63(1):143. doi:10.1001/archopht.1960.00950020145023
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