PURPOSE To assess the reliability and reproducibility of static cyclotorsion correction (SCC) measurements made using the Schwind Amaris Excimer laser in patients undergoing LASIK or PRK, and compare the outcomes of treating astigmatism with and without SCC. METHODS Eighty eyes of 40 patients were included in this study. All eyes underwent 2 or 3 sets of five measurements: before and after sp...

PURPOSE To compare the biomechanical properties of the cornea after small-incision lenticule extraction (lenticule extraction group) with those after femtosecond laser-assisted laser in situ keratomileusis (femtosecond LASIK group). SETTING Tianjin Eye Hospital & Eye Institute, Tianjin Key Laboratory of Ophthalmology and Visual Science, Tianjin Medical University, Tianjin, China. DESIGN Pro...

We present 2 cases that came to our institute for refractive surgery and were discovered to have serious systemic conditions requiring immediate intervention. On examination, prolactinoma of the pituitary gland was seen in one patient and multiple sclerosis was diagnosed in the other patient. Prompt treatment of the conditions led to improvement in the neuro-ophthalmic disorders. We recommend a...

With the aging of the population worldwide, there is increased interest in surgical correction of presbyopia among our patients. To that end, in recent years several models of intrastromal corneal inlays have been introduced to the market with the purpose of providing those patients with clear crystalline lenses the opportunity to achieve better UNVA without diminishing distance vision. Each of...

PURPOSE The purpose of this study was to establish the alterations of oxidative stress-related markers in keratoconus (KC) corneas. METHODS A total of 6 healthy and 11 ectatic corneas (7 KC and 4 post-LASIK) were studied. Different oxidative stress-related markers were determined to assess their implication in the KC pathophysiology. Total antioxidant capacity and total nitrites present in th...

Objective: To evaluate the corneal topographical changes after Femtosecond-LASIK surgery in eyes with mixed astigmatism. Methods: We present the analysis of the corneal Scheimpflug topographies of a patient treated with Femtosecond-LASIK technique for bilateral mixed astigmatism. Results: Three-dimensional reconstruction maps and differential anterior curvature maps were used to demonstrate the...

DSAEK (Descemet stripping automated endothelial keratoplasty) is one of the options for corneal endothelium disease, which in some patients can result in a residual hyperopia after the procedure. Usually 6 to 12 months after corneal transplantation refraction is already stable. This report describes a therapeutic option used in a 54 years old patient with Fuchs’ endothelial dystrophy submitted ...

We report on a 72 year-old pseudophakic patient who had been implanted with a monofocal intraocular lens, and who underwent a unilateral Supracor laser-assisted in-situ keratomileusis (LASIK) procedure to correct presbyopia and hyperopia. Uncorrected near visual acuity was improved, but the patient complained of glare, halo, reduced distance vision, and poor night driving vision due to treatmen...

PURPOSE To evaluate the variability of subjective corneal topography map classification between different experienced examiners and the impact of changing from an absolute to a normative scale on the classifications. METHODS Preoperative axial curvature maps using Scheimpflug imaging obtained with the Pentacam HR (Oculus Optikgeräte, Wetzlar, Germany) and clinical parameters were sent to 11 c...

Corneal collagen cross-linking has become the preferred modality of treatment for corneal ectasia since its inception in late 1990s. Numerous studies have demonstrated the safety and efficacy of the conventional protocol. Our understanding of the cross-linking process is ever evolving, with its wide implications in the form of accelerated and pulsed protocols. Newer advancements in technology i...