As I had used electrocoagulation for three years and realized its usefulness in the removal of minute growths, such as warts, moles, milia, cysts, etc., its possibilities in the destruction of pterygia appealed to me. In the first case it required no small amount of daring, not only in the patient, to whom the situation was explained, but probably even more in myself. Nothing unfavorable resulted, however, and the success of the initial venture caused me to adopt it in all cases for the past two years.
The machine used is that regularly sold for electrocoagulation, fulguration and surgical diathermy, with the means available for changing from one type of current to the other. One switch is marked "strong-weak." The switch is set at "strong" and the voltage, and spark gap settings are adjusted so that on short-circuiting the coagulation current, the milliamperemeter reading is 2,000. Then
ZUBAK MFC. ELECTROCOAGULATION OF PTERYGIA. Arch Ophthalmol. 1931;5(5):732–733. doi:10.1001/archopht.1931.00820050054004
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