Klinische Monatsblatter fur Augenheilkunde · 2000
[Intraocular pressure after phacoemulsification and implantation of silicone plate haptic intraocular lenses without viscoelastics].
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Schipper I, Lechner A, Senn P
Аннотация
BACKGROUND: A rise in intraocular pressure (IOP) after cataract operation is a well known problem. Avoidance of the use of viscoelastics seems to solve the problem.
PATIENTS AND METHODS: The IOP was measured in a group of 33 eyes of 33 patients one day before, as well as 6 hours, 24 hours, and 7 days after phacoemulsification and implantation of a foldable silicone plate haptic intraocular lens without viscoelastics and by means of an injector and of the anterior chamber maintainer.
RESULTS: Mean preoperative IOP was 16.1 +/- 3.9 mm Hg (range 10 to 28 mm Hg). Postoperatively mean IOP was 12.3 +/- 3.3 mm Hg (range 5 to 18 mm Hg) after 6 hours (p < 0.0001), 13.8 +/- 2.8 mm Hg (range 7 to 19 mm Hg) after 24 hours (p = 0.032), and 15.5 +/- 3.4 (range 10 to 24) after one week (p = 0.39). In none of the eyes was the pressure in the first 24 hours higher than 18 mm Hg. When excluding the 4 patients with glaucoma and PEX or when taking them as a separate group, the results were similar.
CONCLUSIONS: Pressure elevation after cataract operation without the use of viscoelastic substances can be avoided, thus contributing not only to lower costs but also to a higher safety.
PATIENTS AND METHODS: The IOP was measured in a group of 33 eyes of 33 patients one day before, as well as 6 hours, 24 hours, and 7 days after phacoemulsification and implantation of a foldable silicone plate haptic intraocular lens without viscoelastics and by means of an injector and of the anterior chamber maintainer.
RESULTS: Mean preoperative IOP was 16.1 +/- 3.9 mm Hg (range 10 to 28 mm Hg). Postoperatively mean IOP was 12.3 +/- 3.3 mm Hg (range 5 to 18 mm Hg) after 6 hours (p < 0.0001), 13.8 +/- 2.8 mm Hg (range 7 to 19 mm Hg) after 24 hours (p = 0.032), and 15.5 +/- 3.4 (range 10 to 24) after one week (p = 0.39). In none of the eyes was the pressure in the first 24 hours higher than 18 mm Hg. When excluding the 4 patients with glaucoma and PEX or when taking them as a separate group, the results were similar.
CONCLUSIONS: Pressure elevation after cataract operation without the use of viscoelastic substances can be avoided, thus contributing not only to lower costs but also to a higher safety.