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Visual experience during phacoemulsification-trabeculectomy under peribulbar anesthesia
Parthasarathy Sathyan1, Rengaraj Venkatesh, Radhakrishnan Muralikrishnan
1Aravind Eye Hospital, Coimbatore, India.
Summary
Most patients with cataract and glaucoma undergoing combined surgery under peribulbar anesthesia reported pleasant visual experiences, including light and color perception, with few finding it frightening.
Area of Science:
- Ophthalmology
- Surgical Anesthesia
- Patient Experience
Background:
- Cataract and glaucoma often coexist, requiring combined surgical intervention.
- Peribulbar anesthesia is commonly used for phacoemulsification-trabeculectomy.
- Understanding patient visual experience during surgery is crucial for managing expectations.
Purpose of the Study:
- To investigate the subjective visual experiences of patients undergoing phacoemulsification-trabeculectomy with peribulbar anesthesia.
- To assess patient reactions to intraoperative visual sensations.
- To evaluate the safety and comfort of peribulbar anesthesia in this surgical context.
Main Methods:
- A standardized questionnaire was used to interview 60 patients post-surgery.
- Patients reported on visual sensations experienced during phacoemulsification-trabeculectomy under peribulbar anesthesia.
- No pre-operative discussion or intra-operative sedation was administered.
Main Results:
- 73.3% of patients perceived light, while 26.7% had no light perception.
- Visual sensations included seeing movements (65%), flashes (53.3%), and colors (48.3%).
- The vast majority (98.3%) found the visual experience pleasant, with only one patient reporting fear.
Conclusions:
- Patients undergoing phacoemulsification-trabeculectomy with peribulbar anesthesia commonly experience visual phenomena.
- These visual sensations are generally perceived as pleasant, not frightening.
- Peribulbar anesthesia appears well-tolerated regarding intraoperative visual experience in this patient group.
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