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Biomedical subjects

Jorge Cazal

Publications and source records attributed to Jorge Cazal.

2 recordsLinked to original sources

Accommodative intraocular lens tilting.

PURPOSE: To report an unusual complication of accommodative intraocular lens (IOL) implantation after clear lens extraction for hyperopia correction. DESIGN: Observational case report. METHOD: A 48-year-old woman underwent clear lens exchange for the correction of moderate hyperopia. A Crystalens Model AT-45 Accommodating Posterior Chamber IOL (AT-45 IOL) was implanted to allow optimal distance and near vision. At the 3-week follow-up appointment, she complained of monocular diplopia. Ocular examination showed an increased astigmatism, causing decreased visual acuity. Scheimpflug Pentacam Image and Wave Front Analysis supported the diagnosis of IOL tilting. RESULTS: IOL repositioning was unsuccessful because of fibrosis of the haptics. It was necessary to replace AT 45 IOL with a monofocal acrylic sulcus-fixated IOL. CONCLUSION: Control of capsular fibrosis should be a major concern, especially in this type of IOL. Accommodating IOL exchange appears to be a safe alternative to manage this complication.

Accommodation, Ocular↗

Surgical strategies in patients with cataract and glaucoma.

PURPOSE OF REVIEW: This review analyzes the most relevant studies on current surgical strategies to treat glaucoma patients with cataracts. RECENT FINDINGS: No clear evidence has confirmed better results with trabeculectomy alone compared with phacotrabeculectomy. Recent studies have reported successful outcomes combining deep sclerectomy and two-site phacoemulsification. The phacoemulsification cataract extraction will not vary the intraocular pressure of patients with previous deep sclerectomy. Mitomycin C proved to be effective in maintaining lower pressure levels with the combined surgery technique; however, 5-fluorouracil did not show any improvement. Minimally invasive cataract surgery reduces surgical trauma, making it possible to obtain better results with combined surgery and previous glaucoma surgery. SUMMARY: The surgical strategy decision must be customized to every patient. Only filtering surgeries are recommended in glaucoma patients with incipient cataract. Combined surgical procedures are recommended for progressive or advanced glaucoma. Two-site phacotrabeculectomy with mitomycin C achieves better stabilized results; however, combined phacoemulsification with deep sclerectomy or viscocanalostomy achieves similar results with a lower rate of complications. These promising findings need more study to be confirmed.

Cataract↗