Indications:
§
Contraindications
§
If the scleral depression is unable to depress to the retinal break, the detachment is too bullous for the cryo to work
Set-up
§ cryo machine + probe + gas tank + silicone sleeve
§ Gloves, Betadine solution (10%)
§ Lidocaine 1-2% for subconj
§ Antibiotic/steroid ointment
§ Lid speculum, conjunctival forceps, cotton-tipped applicators
Preoperative
Clinical examination and identification of retinal breaks
Anesthesia
Sub conj injection of 1-2% lidocaine
Procedure
Visualize retinal breaks with the binocular indirect ophthalmoscope
Apply transconjunctival cryopexy to the retinal breaks.