1. Nadia K. Waheed

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    1. Mentioned In 85 Articles

    2. Evaluation of Preretinal Neovascularization in Proliferative Diabetic Retinopathy Using Optical Coherence Tomography Angiography

      Evaluation of Preretinal Neovascularization in Proliferative Diabetic Retinopathy Using Optical Coherence Tomography Angiography
      BACKGROUND AND OBJECTIVE: To describe a method for visualizing preretinal neovascularization in proliferative diabetic retinopathy (PDR) using optical coherence tomography angiography (OCTA) and report the findings in the surrounding vasculature. PATIENTS AND METHODS: Patients with PDR diagnosed on clinical examination who received OCTA scans using the RTVue XR Avanti (Optovue, Fremont, CA) were evaluated. To visualize preretinal neovascularization, OCT angiograms were segmented to project vasculature above the internal limiting membrane ...
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    3. Analysis of Choroidal and Retinal Vasculature in Inherited Retinal Degenerations Using Optical Coherence Tomography Angiography

      Analysis of Choroidal and Retinal Vasculature in Inherited Retinal Degenerations Using Optical Coherence Tomography Angiography
      BACKGROUND AND OBJECTIVE: To describe the retinal vasculature and choriocapillaris, as well as the transition zone between the diseased and healthy tissue, in eyes with inherited retinal degenerations using optical coherence tomography angiography (OCTA). . PATIENTS AND METHODS: Patients with inherited retinal degenerations were recruited for OCTA imaging. Retinal vasculature was assessed for increased intercapillary space and foveal avascular zone abnormalities. Choriocapillaris, retinal pigment epithelium (RPE), and photoreceptor disruption were noted ...
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    4. Choroidal neovascularization analyzed on ultra-high speed swept source optical coherence tomography angiography compared to spectral domain optical coherence tomography angiography

      Choroidal neovascularization analyzed on ultra-high speed swept source optical coherence tomography angiography compared to spectral domain optical coherence tomography angiography
      Purpose To compare visualization of choroidal neovascularization (CNV) secondary to age-related macular degeneration (AMD) using an ultra-high speed swept-source (SS)-optical coherence tomography angiography (OCTA) prototype versus a spectral-domain (SD)-OCTA device. Design Comparative analysis of diagnostic instruments. Methods Patients were prospectively recruited to be imaged on SD-OCT and SS-OCT devices on the same day. The SD-OCT device employed is the RTVue Avanti that operates at 840nm wavelength and 70 ...
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    5. Three Dimensional Enhanced Imaging of Vitreoretinal Interface in Diabetic Retinopathy Using Swept Source Optical Coherence Tomography

      Three Dimensional Enhanced Imaging of Vitreoretinal Interface in Diabetic Retinopathy Using Swept Source Optical Coherence Tomography
      Purpose To analyze the vitreoretinal interface in diabetic eyes using three-dimensional wide-field volumes acquired using high-speed, long-wavelength swept-source optical coherence tomography (SS-OCT). Design Prospective cross-sectional study. Methods Fifty-six diabetic patients (88 eyes) and 11 healthy non-diabetic controls (22 eyes) were recruited. Up to eight SS-OCT volumes were acquired for each eye. A registration algorithm removed motion artifacts and merged multiple SS-OCT volumes to improve signal. Vitreous visualization was enhanced using ...
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    6. Optical Coherence Tomography Angiography Of Type 3 Neovascularization Secondary To AGE-RELATED Macular Degeneration

      Optical Coherence Tomography Angiography Of Type 3 Neovascularization Secondary To AGE-RELATED Macular Degeneration
      Purpose: To characterize the vascular structure of Type 3 neovascularization secondary to age-related macular degeneration using optical coherence tomography angiography. Methods: Optical coherence tomography angiography cube scans (3 mm 3 mm) were acquired in 29 eyes of 24 patients with Type 3 lesions secondary to age-related macular degeneration using the RTVue XR Avanti with AngioVue, Split-spectrum amplitude-decorrelation, and motion correction technology. Automated layer segmentation boundaries were adjusted to best visualize ...
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    7. Investigating the Choriocapillaris and Choroidal Vasculature with New Optical Coherence Tomography Technologies

      Investigating the Choriocapillaris and Choroidal Vasculature with New Optical Coherence Tomography Technologies
      The body of knowledge of in vivo investigation of the choroid has been markedly enhanced by recent technological advances in optical coherence tomography (OCT). New insights elucidating the morphological features of the choriocapillaris and choroidal vasculature, in both physiological and pathological conditions, indicate that the choroid plays a pivotal role in many posterior segment diseases. In this article, a review of the histological characteristics of the choroid, which must be ...
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    8. Ultrahigh-Speed, Swept-Source Optical Coherence Tomography Angiography in Nonexudative Age-Related Macular Degeneration with Geographic Atrophy

      Ultrahigh-Speed, Swept-Source Optical Coherence Tomography Angiography in Nonexudative Age-Related Macular Degeneration with Geographic Atrophy
      Purpose To investigate ultrahigh-speed, swept-source optical coherence tomography (SSOCT) angiography for visualizing vascular changes in eyes with nonexudative age-related macular degeneration (AMD) with geographic atrophy (GA). Design Observational, prospective, cross-sectional study. Participants A total of 63 eyes from 32 normal subjects and 12 eyes from 7 patients with nonexudative AMD with GA. Methods A 1050-nm, 400-kHz A-scan rate SSOCT system was used to perform volumetric optical coherence tomography angiography (OCTA ...
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    9. DETECTION OF MICROVASCULAR CHANGES IN EYES OF PATIENTS WITH DIABETES BUT NOT CLINICAL DIABETIC RETINOPATHY USING OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY

      DETECTION OF MICROVASCULAR CHANGES IN EYES OF PATIENTS WITH DIABETES BUT NOT CLINICAL DIABETIC RETINOPATHY USING OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY
      Purpose: To evaluate the ability of optical coherence tomography angiography to detect early microvascular changes in eyes of diabetic individuals without clinical retinopathy. Methods: Prospective observational study of 61 eyes of 39 patients with diabetes mellitus and 28 control eyes of 22 age-matched healthy subjects that received imaging using optical coherence tomography angiography between August 2014 and March 2015. Eyes with concomitant retinal, optic nerve, and vitreoretinal interface diseases and ...
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    10. OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY IN RETINAL ARTERY OCCLUSION

      OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY IN RETINAL ARTERY OCCLUSION
      Purpose: To describe the retinal microvasculature of the eyes with nonarteritic retinal artery occlusion (RAO) based on optical coherence tomography angiography. Methods: Cross-sectional, prospective, observational study performed from September 2014 through February 2015. En face projection of optical coherence tomography angiography images centered at the macula and optic disk of the eyes presenting with RAO were acquired using the RTVue XR Avanti with AngioVue software. Qualitative analysis of the morphology ...
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    11. CHARACTERIZING THE EFFECT OF ANTI-VASCULAR ENDOTHELIAL GROWTH FACTOR THERAPY ON TREATMENT-NAIVE CHOROIDAL NEOVASCULARIZATION USING OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY

      CHARACTERIZING THE EFFECT OF ANTI-VASCULAR ENDOTHELIAL GROWTH FACTOR THERAPY ON TREATMENT-NAIVE CHOROIDAL NEOVASCULARIZATION USING OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY
      Purpose: To use optical coherence tomography angiography (OCTA) to characterize the effects of anti-VEGF injections on treatment-naive choroidal neovascularization (CNV). Methods: From August 2014 to May 2015, treatment-naive eyes with CNV were scanned using a prototype OCTA system on a commercially available SD-OCT device (Optovue Inc, Fremont, CA). Optical coherence tomography angiography scans were obtained before anti-VEGF injection and at follow-up visits. The CNV area and greatest linear dimension (GLD ...
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    12. IMAGE ARTIFACTS IN OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY

      IMAGE ARTIFACTS IN OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY
      Purpose: To describe image artifacts of optical coherence tomography (OCT) angiography and their underlying causative mechanisms. To establish a common vocabulary for the artifacts observed. Methods: The methods by which OCT angiography images are acquired, generated, and displayed are reviewed as are the mechanisms by which each or all of these methods can produce extraneous image information. A common set of terminology is proposed and used. Results: Optical coherence tomography ...
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    13. Morphology and Vascular Layers of the Choroid in Stargardt Disease Analyzed Using Spectral Domain Optical Coherence Tomography

      Morphology and Vascular Layers of the Choroid in Stargardt Disease Analyzed Using Spectral Domain Optical Coherence Tomography
      Purpose To analyze total thickness, morphology and individual vascular layers of choroid in eyes with Stargardt disease using spectral-domain optical coherence tomography (SD-OCT). Design Cross-sectional retrospective review. Methods Twenty-eight patients with Stargardt disease (53 eyes) with a mean age of 46 (15-79) years and 30 healthy subjects (30 eyes) with a mean age of 49 (22-79) years who underwent 1-line raster scanning with SD-OCT were identified. Diagnosis of Stargardt disease ...
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    14. 46-60 of 85 « 1 2 3 4 5 6 »
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  2. About Nadia K. Waheed

    Nadia K. Waheed

    Nadia Khalida Waheed, is a the New England Eye Center and is fellowship trained and board certified by the American Board of Ophthalmology. Dr. Waheed is a fellowship-trained specialist in retinal diseases and has performed thousands of surgical procedures to treat retinal detachments, age-related macular degeneration, diabetic eye disease, macular holes and epiretinal membranes. She also has a special interest in hereditary retinal disorders. Dr. Waheed received her College (Advanced Levels) degree through the London University in the United Kingdom. She completed her M.B and B.S. degree (5 year medical program) at Aga Khan Medical School in Karachi, Pakistan, from where she graduated magna cum laude. During medical school, she was awarded the International Traveling Scholarship and placed on the Begum Shafika Zia-ul-Haq Annual Honors List.

  3. Quotes

    1. The addition of OCT angiography to Heidelberg’s SPECTRALIS multimodal platform allows for the evaluation of retinal and choroidal vascular abnormalities in a noninvasive manner...I believe OCTA will soon become invaluable in our daily clinical routine for screening and diagnosing chorioretinal disorders.”
      In Heidelberg Engineering OCT Angiography Module Now Available in the United States