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[Postoperative astigmatism secondary to cataract surgery]
1Lazăr Cosmina Clinica de Oftalmologie, Oradea.
Oftalmologia (Bucharest, Romania : 1990)
|September 17, 2003
Summary
Postoperative astigmatism after extracapsular cataract extraction is common, often with the rule and manageable with glasses. Surgical factors like incision type and suture technique influence its occurrence and severity.
Area of Science:
- Ophthalmology
- Surgical Techniques
- Biomedical Engineering
Context:
- Cataract surgery is a common procedure with potential complications.
- Postoperative astigmatism can affect visual acuity after cataract surgery.
- Extracapsular extraction with posterior chamber implants is a widely used surgical method.
Purpose:
- To investigate the incidence and characteristics of postoperative astigmatism following extracapsular extraction with posterior chamber lens implantation.
- To analyze the influence of surgical variables on the development of postoperative astigmatism.
- To assess the predictability and management of astigmatism after cataract surgery.
Summary:
- A study of 246 cases without postoperative complications revealed that most experienced astigmatism, predominantly 'with the rule' (86.18%).
- Factors such as incision characteristics, suture type (3 or 5 radial sutures), and ocular tension influenced astigmatism.
- Astigmatism values between 1.5-3D were common and generally correctable with eyeglasses.
Impact:
- Findings highlight the multifactorial nature of postoperative astigmatism in cataract surgery.
- Understanding these factors can aid in optimizing surgical techniques to minimize astigmatism.
- The study suggests that advancements in cataract surgery are reducing the prevalence of problematic postoperative astigmatism.