PURPOSE: To evaluate a method for centering the ablation in standard hyperopic LASIK using an excimer laser with a video-based eye tracker system.
METHODS: Results of 52 consecutive hyperopic eyes treated with the ESIRIS excimer laser were retrospectively reviewed. Ablation was shifted from the pupil center to the vertex normal of the cornea using pupillary offset measured with the Keratron Scout videokeratoscope. Outcomes were assessed 3 months postoperatively.
RESULTS: All eyes preoperatively had a nasally oriented vertex normal in relation to the pupil center. Three months postoperatively a refractive outcome of <0.50 diopters of spherical equivalent was achieved in 94% (49/52) of eyes. No eye lost more than one line of best spectacle-corrected visual acuity.
CONCLUSIONS: Standard hyperopic LASIK with the ESIRIS laser system leads to good predictable efficacy and safety results when the ablation center is shifted to the cornea vertex normal based on videokeratoscopy data. [J Refract Surg. 2007;23:198-200.]
Purpose:To intraindividually compare the efficacy and safety of the SKGEL® implant versus the T-Flux® implant in deep sclerectomy.Methods:In a retrospective analysis 17 patients were identified who underwent combined phacoemulsification-deep sclerectomy and implantation of SKGEL® in one eye and T-Flux® in the contralateral eye.Results:In eyes with SKGEL® the IOP decreased from 20.6+7.3 mm Hg to 14.8+5.3 mm Hg (-5.8 mm Hg or -28.1%), and in eyes with T-Flux® from 19.9+7.2 mm Hg to 14.7+3.3 mm Hg (-5.2 mm Hg or -26.1%, no statistically significant difference, p >0.05). Antiglaucoma medications with either implant decreased from initially 2.0+0.8 to 0.3+0.7. A qualified success was found in 17/17 eyes with T-Flux® and in 16/17 eyes with SKGEL®. Complete success was achieved in 14/17 eyes with T-Flux® and in 13/17 eyes with SKGEL®.Conclusions:The IOP-lowering effect and safety of SKGEL® and T-Flux® seem to be comparable.
Purpose
The surgical treatment of band keratopathy usually consists of abrasion of the corneal epithelium followed by removal of the subepithelial calcium deposits by means of an ethylenediamine-tetraacetic acid (EDTA) solution. In order to reduce the discomfort and pain that occur after corneal abrasion, the authors developed a modified technique that avoids the abrasion of the epithelium.
Methods
In three patients (four eyes) with long-standing band keratopathy, the epithelium was detached with a 19% ethanol solution and placed gently toward the limbus, a method also used in laser-assisted subepithelial keratectomy (LASER). After clearing the anterior stroma with EDTA solution, the epithelial flap is unrolled and a bandage contact lens applied.
Results
Postoperative pain was greatly reduced and after removal of the contact lens no pain was reported.
Conclusions
This modified epithelium-sparing treatment of band keratopathy shows good results while reducing postoperative pain.
Wei J. Static and dynamic analysis of the anterior segment with optical coherence tomography. J Cataract Refract Surg 2004; 30:1843-1850 4. Kim DY, Reinstein DZ, Silverman RH, et al. Very high frequency ultrasound analysis of a new phakic posterior chamber intraocular lens in situ. Am J Ophthalmol 1998; 125:725-729 5. Rondeau MJ, Barcsay G, Silverman RH, et al. Very high frequency ultrasound biometry of the anterior and posterior chamber diameter.
Macular translocation may be considered in cases of continuing deterioration after a previous PDT for treatment of exudative ARMD. Possible complications must be discussed with the patient. Intraoperatively, increased adhesion of CNV to the retina was observed, which might increase the risk of inadvertent damage to the retina during surgery.
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