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  • Title: [Secondary glaucoma in patients with lens subluxation or luxation].
    Author: Synder A, Latecka-Krajewska B, Omulecki W.
    Journal: Klin Oczna; 2000; 102(6):409-12. PubMed ID: 11392799.
    Abstract:
    AIM: To estimate the frequency of secondary glaucoma appearance and the influence of surgical treatment on intraocular pressure (IOP) in patients with posterior lens dislocation. MATERIAL AND METHODS: The study concerned 152 patients (57 females and 95 males, age range: 19 to 91 years, mean--58 years). Secondary glaucoma was found in 62 patients (41%). Trauma was the cause of lens dislocation in 81% of these cases, while it was the cause in only 69% of cases in the whole material. Pars plana vitrectomy with limbal intracapsular lens extraction or lentectomy were performed in all cases. In 24 cases perfluorocarbon liquid was used. Scleral fixation PC IOLs were implanted in 85 eyes (group A), AC IOLs in 27 eyes (group B), and 40 eyes remained aphakic (group C). The follow-up time ranged from 6 months to 5 years, mean 22 months. RESULTS: Raised IOP was found preoperatively in 46 cases (30.3%). It was raised in 21 (24.7%) eyes in group A (24-60 mm Hg, mean 37.1 mm Hg), and it has normalized postoperatively in 14 eyes, while topical medication was necessary in 7 remaining cases. In group B raised IOP (26-60 mm Hg, mean 41.4 mm Hg) was found preoperatively in 8 (29.6%) eyes. It has normalized postoperatively in 5 eyes, while topical medication was necessary in 3 eyes. The respective values in group C were: 17 (42.5%), 24-80 mm Hg, mean 43.2 mm Hg. In 7 eyes IOP was normal after surgery, 10 patients required topical treatment, and in 3 of these cases trabeculectomy had to be performed. In 16 eyes with normal preoperative IOP it has raised postoperatively in different periods of time (from 1 week to 6 months). CONCLUSIONS: Secondary glaucoma is a frequent complication of the posterior lens dislocation, and it is more often related with traumatic cases. The dislocated lens removal with the use of vitrectomy causes IOP normalization in most of the cases. The periodical examination of IOP is necessary after the dislocated lens removal also in cases with normal preoperative IOP, because secondary glaucoma may appear in different time after surgery.
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