1. Articles from Dalia Sabry

    1-6 of 6
    1. Horizontal Extraocular Muscle Insertion Site in Relation to Axial Length Using Swept-Source Anterior Segment OCT

      Horizontal Extraocular Muscle Insertion Site in Relation to Axial Length Using Swept-Source Anterior Segment OCT

      Purpose: The purpose of this study was to correlate between the axial length of the globe and the insertion site of horizontal extraocular muscles using swept-source anterior segment optical coherence tomography (SS-ASOCT), with posing an equation to calculate the muscle insertion site from the axial length. Methods: The study design was observational and cross-sectional. It was performed on 157 eyes of 157 healthy subjects. The distance of the medial rectus (MR) and the lateral rectus (LR) insertion sites from the limbus were measured using SS-ASOCT. The insertion sites’ distances were correlated to the axial length (hypermetropes < 22.5 mm, myopes ...

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    2. Macular choroidal thickness in normal Egyptians measured by swept source optical coherence tomography

      Macular choroidal thickness in normal Egyptians measured by swept source optical coherence tomography

      Background To provide a normal database of choroidal thickness (CT) in nine Early Treatment Diabetes Retinopathy Study (ETDRS) subfields in Egypt using deep-range imaging swept source optical coherence tomography (DRI SS OCT). Methods This study included a total of 129 eyes of 71 normal Egyptian subjects, comprising 63 males and 66 females. The mean age was 36.85 ± 14.22 years (range, 16–67 years). The mean axial length was 23.84 ± 0.78 mm. CT was measured in nine subfields as defined by the ETDRS-style grid using a DRI SS OCT, and line measurements of subfoveal choroidal thicknesses (SFCT ...

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    3. Correlation Between En Face Optical Coherence Tomography Defects of the Inner Retinal Layers and Ganglion Cell Inner Plexiform Layer Analysis After Internal Limiting Membrane Peeling for Idiopathic Full-Thickness Macular Hole

      Correlation Between En Face Optical Coherence Tomography Defects of the Inner Retinal Layers and Ganglion Cell Inner Plexiform Layer Analysis After Internal Limiting Membrane Peeling for Idiopathic Full-Thickness Macular Hole

      Purpose : The purpose of this study was to report en face optical coherence tomography (OCT) inner retinal changes after internal limiting membrane (ILM) peeling for idiopathic full-thickness macular hole (IFTMH) and to correlate these findings with macular ganglion cell inner plexiform layer (GC-IPL) analysis. Methods : This prospective study included 20 patients with IFTMH treated using pars plana vitrectomy with ILM peeling. All patients were analyzed using en face OCT at 6 months after surgery to determinate the effect of ILM peeling on the inner retinal layers. Correlation between the GC-IPL en face OCT findings and that obtained by three-dimensional volumetric ...

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    4. Correlation between circumpapillary and macular retinal nerve fiber layer thickness measured by spectral domain optical coherence tomography and multifocal visual evoked potential in patients with primary open-angle glaucoma

      Correlation between circumpapillary and macular retinal nerve fiber layer thickness measured by spectral domain optical coherence tomography and multifocal visual evoked potential in patients with primary open-angle glaucoma

      Purpose This study attempts to examine the relationship between the function of postsynaptic activity of the visual pathway at the level of the striate cortex [multifocal visual evoked potential (mfVEP) responses] and the structural integrity of the retinal nerve fiber layer (RNFL) (by measuring the macular and circumpapillary RNFL thickness). Design This was a prospective nonrandomized interventional clinical study. Patients and methods Patients with controlled primary open-angle glaucoma were included in this study. They underwent complete ophthalmic examination, visual field testing, and macular and peripapillary RNFL thickness measurement by a spectral domain optical coherence tomography (OCT) and mfVEP testing. All ...

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    5. Multifocal Electroretinography and Optical Coherence Tomography Changes After Repeated Intravitreal Bevacizumab (Avastin) in Myopic Choroidal Neovascularization

      Multifocal Electroretinography and Optical Coherence Tomography Changes After Repeated Intravitreal Bevacizumab (Avastin) in Myopic Choroidal Neovascularization

      Purpose: The purpose of this study was to evaluate the short-term efficacy and safety of repeated intravitreal bevacizumab for myopic choroidal neovascularization. Methods: We performed a prospective, nonrandomized, interventional case series study. Sixteen eyes from 16 patients with myopic choroidal neovascularization secondary to pathologic myopia had a monthly injection of intravitreal bevacizumab 1.25 mg for 3 consecutive months. Best-corrected visual acuity assessment, optical coherence tomography, fluorescein angiography and multifocal electroretinogram were performed before treatment and at 1, 2, 3, and 6 months. Results: The mean logarithm of minimum angle of resolution best-corrected visual acuity was 1.43 before treatment ...

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    6. Detection of macular changes by optical coherence tomography after inferior oblique muscle surgery

      Detection of macular changes by optical coherence tomography after inferior oblique muscle surgery
      Purpose: To detect macular changes after inferior oblique muscle myectomy and anterior transposition by the use of 3-dimensional optical coherence tomography (OCT).Methods: Patients who received surgery for correction of horizontal strabismus and weakening of inferior oblique muscle overaction were included. OCT was performed shortly before surgery and again 1 day, 1 week, and 1 month postoperatively.Results: A total of 23 eyes of 16 patients were included. OCT showed no significant macular changes after inferior oblique myectomy or anterior transposition.Conclusions: We documented no harmful effects on the macula after manipulation of the inferior oblique muscle during standard weakening ...
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    1-6 of 6
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    Detection of macular changes by optical coherence tomography after inferior oblique muscle surgery Multifocal Electroretinography and Optical Coherence Tomography Changes After Repeated Intravitreal Bevacizumab (Avastin) in Myopic Choroidal Neovascularization Correlation between circumpapillary and macular retinal nerve fiber layer thickness measured by spectral domain optical coherence tomography and multifocal visual evoked potential in patients with primary open-angle glaucoma Correlation Between En Face Optical Coherence Tomography Defects of the Inner Retinal Layers and Ganglion Cell Inner Plexiform Layer Analysis After Internal Limiting Membrane Peeling for Idiopathic Full-Thickness Macular Hole Macular choroidal thickness in normal Egyptians measured by swept source optical coherence tomography Horizontal Extraocular Muscle Insertion Site in Relation to Axial Length Using Swept-Source Anterior Segment OCT Factors Associated with Changes in Retinal Layers Following Acute Optic Neuritis: A Longitudinal Study Using Optical Coherence Tomography Relationship between N95 Amplitude of Pattern Electroretinogram and Optical Coherence Tomography Angiography in Open-Angle Glaucoma Historic Effort to 'End Blindness" Marks a Major Milestone with Leading Scientist Recognized for Pioneering Work at VIP Ceremony Featuring Tribute to Ruth Bader Ginsburg Healing and early stent coverage after ultrathin strut biodegradable polymer‐coated sirolimus‐eluting stent implantation: SiBi optical coherence tomography study Influences of hypomagnesemia on optic nerve and retinal vascular structure determined using optical coherence tomography angiography Repeatability and agreement of total corneal and sublayer pachymetry with 2 different algorithms of Fourier-domain optical coherence tomography in myopic and postphotorefractive keratectomy eyes