Anterior segment optical coherence tomography findings of acute hydrops in a patient with keratoconus.

The authors describe the anterior segment optical coherence tomography (AS-OCT) findings of a 25-year-old patient with acute hydrops associated with keratoconus. The patient presented with decreased visual acuity, pain, and redness in the left eye. The symptoms, clinical presentation, and topographical findings of the right eye confirmed this condition to be acute corneal hydrops.

Assessment of anterior chamber depth using Visante optical coherence tomography, slitlamp optical coherence tomography, IOL Master, Pentacam and Orbscan IIz.

Aims: To assess and compare the anterior chamber depth (ACD) by different anterior segment imaging techniques.

Methods: Eighty healthy eyes of 40 patients were recruited, and 3 consecutive measurements of ACD were determined prospectively utilizing Visante optical coherence tomography (OCT), slitlamp (SL) OCT, IOL Master, Pentacam and Orbscan IIz. The statistical significance of interdevice differences between measurements was evaluated by one-way ANOVA and Bland-Altman analysis.

Lift and crack technique for risky cataract cases.

Unlabelled: We describe a technique to manage dense cataract cases. After a capsulorhexis of 6.0 to 7.

Assessment and comparison of anterior chamber dimensions using various imaging techniques.

Background And Objective: To assess and compare the horizontal dimensions of the anterior chamber by different anterior segment imaging techniques.

Patients And Methods: Eighty eyes of 40 patients without any ocular disease or previous ocular surgery were recruited and three consecutive measurements of internal anterior chamber diameter and white-to-white distance (WTW) parameters were determined.

Results: Mean internal anterior chamber diameter was 11.

Quantitative assessment of anterior chamber parameters in pigmentary glaucoma using slit-lamp optical coherence tomography.

Purpose: To quantitatively assess the parameters of anterior chamber and angle dimensions by slit-lamp optical coherence tomography (SL-OCT) in eyes with pigmentary glaucoma (PG).

Methods: A total of 18 eyes of 11 patients with PG and 18 eyes of 11 healthy volunteers were included in the study. Anterior chamber depth (ACD), anterior chamber volume (ACV), spur distance (internal horizontal anterior chamber diameter), central corneal thickness (CCT), angle opening distance at 500 microm from the scleral spur (AOD 500), and trabecular iris space area at 500 microm from the scleral spur (TISA 500) parameters were detected by SL-OCT.

Assessment of anterior chamber angle using Visante OCT, slit-lamp OCT, and Pentacam.

Purpose: To assess and compare the anterior chamber angle (ACA) by different anterior segment imaging techniques.

Methods: Forty healthy eyes of 40 normal subjects were recruited and 3 consecutive measurements of ACA were determined prospectively utilizing Visante optical coherence tomography (OCT), slit-lamp OCT (SL-OCT), and Pentacam. Statistical significance of interdevice differences between measurements was evaluated by Wilcoxon signed rank test and Bland-Altman analysis.

Comparison of IOP measurement by ocular response analyzer, dynamic contour, Goldmann applanation, and noncontact tonometry.

Purpose: To assess the agreement among ocular response analyzer (ORA), dynamic contour tonometry (DCT), Goldmann applanation tonometry (GAT), and noncontact tonometry (NCT), and to determine the effects of central corneal thickness (CCT) and corneal hysteresis (CH) on intraocular pressure (IOP) measurements with these devices.

Methods: Sixty healthy volunteers were recruited. The average of ORA (corneal compensated IOP [IOP-ORAcc] and Goldmann-correlated IOP [IOP-ORAg]), DCT, GAT, and NCT levels were compared and the devices were examined with respect to CCT and CH.

Diurnal variation of corneal biomechanics and intraocular pressure in normal subjects.

Purpose: To assess and investigate the relationship between diurnal variations in intraocular pressure (IOP) and biomechanical properties of cornea.

Methods: Sixty-two healthy volunteers were recruited. Corneal compensated IOP (IOPcc), Goldmann-correlated IOP (IOPg), corneal resistance factor (CRF), and corneal hysteresis (CH) parameters were recorded by the Ocular Response Analyzer (ORA).

Correlation of retinal sensitivity and retinal thickness in central serous chorioretinopathy.

Aim: To evaluate the correlation of microperimetry (MP) and optical coherence tomography (OCT) in eyes having acute onset of central serous chorioretinopathy (CSCR).

Methods: After a detailed ophthalmological examination, all cases were evaluated by fundus fluorescein angiography, OCT and MP. Mean macular thickness was detected by OCT.

Immediate evaluation of the flaps created by femtosecond laser using anterior segment optical coherence tomography.

Background And Objective: To demonstrate the practical and functional evaluation of flaps created intraoperatively by femtosecond laser using anterior segment optical coherence tomography (AS-OCT).

Patients And Methods: The study prospectively examined 11 eyes of 6 patients who underwent uneventful LASIK surgery with the aid of the IntraLase femtosecond laser (IntraLase Corp., Irvine, CA).

Quantitative assessment of anterior chamber volume using slit-lamp OCT and Pentacam.

Purpose: To quantitatively assess and compare the anterior chamber volume (ACV) by different anterior segment imaging techniques.

Methods: Forty healthy eyes of 40 patients were recruited and three consecutive measurements of ACV were determined prospectively utilizing SL-OCT and Pentacam. Statistical significance of interdevice differences between measurements was evaluated by unpaired t test and Bland-Altman analysis.

The correlation between visual field defects and focal nerve fiber layer thickness measured with optical coherence tomography in the evaluation of glaucoma.

Purpose: To study the correlation between known visual field defects and retinal nerve fiber layer (RNFL) thickness detected by optical coherence tomography (OCT) in glaucomatous eyes.

Materials And Methods: Visual field parameters and OCT RNFL measurements of 28 eyes of 28 glaucoma patients with various stages of glaucoma were compared with 38 eyes of 38 normal age-matched controls. A perimetric nerve fiber bundle map was built by dividing the visual field area into 21 zones.

Corneal biomechanical properties and intraocular pressure changes after phacoemulsification and intraocular lens implantation.

Purpose: To evaluate corneal viscoelastic and intraocular pressure (IOP) changes measured by an ocular response analyzer (ORA) after phacoemulsification and intraocular lens (IOL) implantation.

Setting: Yeditepe University Department of Ophthalmology, Istanbul, Turkey.

Methods: Fifty-one eyes scheduled for cataract surgery were included in the study.

Autofluorescence imaging of pingueculae.

Aims: To analyse the autofluoresence (AF) properties of pingueculae and compare the size of AF with the extent of the visible lesion.

Methods: Forty eyes of 23 patients with pingueculae were included in the study. AF images were obtained using an HRA2 confocal scanning laser ophthalmoscope; anterior segment photographies were obtained using TRC-50IX, IMAGEnet 2000 Digital Imaging System.

Management of postkeratoplasty ametropia: IntraLASIK after penetrating keratoplasty.

Purpose: The authors describe a technique of laser in situ keratomileusis (LASIK) for the management of postkeratoplasty ametropia using a femtosecond laser for flap creation.

Methods: The first step was the placement of a disposable suction fixation ring to ensure that it was well-centered on the graft. The applanation cone was applied; the border of the flap was adjusted according to the edge of the graft.

Penetrating keratoplasty for corneal ectasia after laser in situ keratomileusis.

Purpose: To improve the visual acuity of patients with progressive keratectasia following laser in situ keratomileusis (LASIK).

Methods: Five eyes of four patients underwent penetrating keratoplasty for ectasia after LASIK: In one patient the second eye was operated on 10 months after the first keratoplasty. The pre- and postoperative refraction, best spectacle-corrected visual acuity, and topographic data were evaluated.

Comparison of anterior chamber depth measurements taken with the Pentacam, Orbscan IIz and IOLMaster in myopic and emmetropic eyes.

Purpose: This study determined to assess the degree of agreement between anterior chamber depth (ACD) measurements obtained using three different devices and to analyse the relationship between ACD and spherical equivalent (SE) refraction.

Methods: In this cross-sectional study, 42 eyes of 42 patients with a mean SE of - 4.69 +/- 4.

Assessment of macular function by microperimetry in intermediate age-related macular degeneration.

Purpose: To evaluate retrospectively macular function by microperimetry (MP) in intermediate age-related macular degeneration (AMD).

Methods: Thirty eyes of 30 patients with intermediate AMD and a visual acuity of 20/32 or better were enrolled in the study. Macular function in patients with intermediate AMD and age-matched control group were carried out with MP1 microperimeter.

Atypical presentation of multiple evanescent white dot syndrome (MEWDS).

Purpose: To present fundus autofluorescence (FAF), indocyanine green angiography (ICGA), and microperimetry (MP) findings of a patient with multiple evanescent white dot syndrome (MEWDS).

Methods: Observational case report.

Results: A 30-year-old woman with blurry vision was referred for evaluation.

A case of sterile endophthalmitis after repeated intravitreal bevacizumab injection.

Purpose: The aim of this study was to describe a case of sterile endophthalmitis after repeated intravitreal bevacizumab injections for the treatment of choroidal neovascularization secondary to angioid streaks.

Methods: This study was done as a case report.

Results: A 57-year-old man who received a third injection of intravitreal bevacizumab for the treatment of choroidal neovascularization owing to angioid streaks developed sterile endophthalmitis.

Treatment of cystoid macular edema due to acute posterior multifocal placoid pigment epitheliopathy.

Purpose: To report a case of unilateral late-presenting acute posterior multifocal placoid pigment epitheliopathy (APMPPE) with CME evaluated before and after administration of IVTA.

Method: A 29-year-old male diagnosed as APMPPE with CME was treated with IVTA.

Results: Fundus examination revealed CME and sequelae APMPPE lesions without involvement of posterior pole.