2881: Parkinson’s disease & cataract surgery

An eye undergoing cataract surgery with tools visible, highlighting the procedure's adaptability for patients with Parkinson's disease.

Managing a cataract patient with Parkinson’s disease and active tremors requires a strategic approach to physical and ocular stability. Rather than using general anesthesia, most cases are successfully handled using topical anesthesia combined with mild intravenous midazolam. This level of sedation keeps the patient relaxed and cooperative without risking the respiratory depression or paradoxical agitation sometimes seen with deeper anesthesia levels. To mitigate head tremors, secure the patient’s forehead to the surgical table using paper tape; this provides a physical boundary and helps the patient maintain midline orientation. Once the incisions are made, the key to safety is bilateral stabilization. As soon as two instruments, such as the phaco probe and the second instrument, are inside the eye, you gain internal control. These two points of contact allow you to stabilize the eye to your hand movements, neutralizing fine tremors and maintaining a steady surgical plane even if the patient’s head shifts slightly. I have done this successfully for so many patients with tremors that it has become routine.

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