Intraocular pressure variation by pneumatic tonometer before and after phacoemulsification.
Francisco W Rodrigues1, Camilla de Mn Silva1, Déborah C Modesto1
1Pontifical Catholic University of Goiás, Goiânia, Brazil.
European Journal of Ophthalmology
|July 6, 2018
Summary
Phacoemulsification cataract surgery significantly reduces intraocular pressure post-operation. This reduction is primarily linked to the initial preoperative intraocular pressure, with females showing a notable decrease.
Area of Science:
- Ophthalmology
- Surgical Science
Background:
- Cataract surgery, specifically phacoemulsification, is a common procedure.
- Understanding its impact on intraocular pressure (IOP) is crucial for patient management.
Purpose of the Study:
- To assess IOP changes before and after phacoemulsification.
- To correlate these IOP variations with patient age, gender, and preoperative IOP.
Main Methods:
- A cross-sectional observational study involving 182 eyes.
- Pneumatic tonometry was used to measure IOP preoperatively and 30 days postoperatively.
- Inclusion criteria focused on patients without ocular disease or surgical complications.
Main Results:
- Mean preoperative IOP was 16.0 mmHg, decreasing to 13.44 mmHg postoperatively.
- No correlation was found between IOP variation and patient age.
- A significant correlation existed between preoperative IOP and postoperative IOP changes; females showed a significant negative variation.
Conclusions:
- Cataract surgery leads to a reduction in intraocular pressure.
- The preoperative IOP level is a key factor influencing postoperative IOP reduction.
- Further large-scale epidemiological studies are needed to confirm the direct influence of cataract surgery on IOP variation.
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