Corneal surgery and disorders

PURPOSE: To evaluate topographic findings, manifest refraction in keratoconic cases, and compare those parameters with respect to age and gender. MATERIALS AND METHODS: Four hundred eighty-two eyes of 248 patients (153 male and 95 female) with keratoconus were separated into 3 groups based on their ages (group 1: <21…

• AYLİN KILIÇ

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• EFEKAN COŞKUNSEVEN

PURPOSE: To assess the progression of keratoconus in patients treated with collagen cross-linking with riboflavin and ultraviolet A (UVA) irradiation. METHODS: Thirty-eight eyes of 19 patients with progressive keratoconus were enrolled in a prospective comparative study. Average follow-up was 9 +/- 2 months (range: 5…

• EFEKAN COŞKUNSEVEN

PURPOSE: To determine the efficacy of different Scheimpflug-imaging parameters in discriminating between subclinical keratoconus, keratoconus eyes, and normal eyes. SETTING: Department of Ophthalmology, Ankara University Faculty of Medicine, Ankara, Turkey. DESIGN: Comparative case series. METHODS: Pentacam Scheimpflu…

• MUSTAFA MUHİP ÖZKAN

PURPOSE: To determine the efficacy of different Scheimpflug-imaging parameters in discriminating between subclinical keratoconus, keratoconus eyes, and normal eyes. SETTING: Department of Ophthalmology, Ankara University Faculty of Medicine, Ankara, Turkey. DESIGN: Comparative case series. METHODS: Pentacam Scheimpflu…

• ÖZLENEN ÖMÜR GÜNDÜZ

PURPOSE: To compare central corneal thickness (CCT) measurements taken with the Pentacam comprehensive eye scanner (CES), noncontact specular microscopy (SM), and ultrasound pachymetry (UP) in normal and keratoconic corneas. SETTING: Department of Ophthalmology, Ankara University School of Medicine, Ankara, Turkey. ME…

• MUSTAFA MUHİP ÖZKAN

PURPOSE: To compare central corneal thickness (CCT) measurements taken with the Pentacam comprehensive eye scanner (CES), noncontact specular microscopy (SM), and ultrasound pachymetry (UP) in normal and keratoconic corneas. SETTING: Department of Ophthalmology, Ankara University School of Medicine, Ankara, Turkey. ME…

• ÖZLENEN ÖMÜR GÜNDÜZ

PURPOSE: To compare 2 sequences of combined intrastromal corneal ring segment (ICRS) implantation and ultraviolet/riboflavin-mediated corneal collagen crosslinking (CXL) in progressive keratoconus. SETTING: Dunya Eye Hospital, Istanbul, Turkey. METHODS: In this prospective comparative randomized consecutive study, CXL…

• EFEKAN COŞKUNSEVEN

In a turbulent atmosphere, starting with a cos-Gaussian excitation at the source plane, the average intensity profile at the receiver plane is formulated. This average intensity profile is evaluated against the variations of link lengths, turbulence levels, two frequently used free-space optics wavelengths, and beam d…

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• EFEKAN COŞKUNSEVEN

PURPOSE: To identify current indications and trends in indications for penetrating keratoplasty and associated procedures. METHODS: Retrospective chart review of all patients who underwent penetrating keratoplasty at Wills Eye Hospital from January 1, 1996 to December 31, 2000. RESULTS: A total of 1,529 corneal transp…

• CEMİLE BANU COŞAR

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• YASİN ÇINAR