1. Young H. Yoon

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    1. Mentioned In 19 Articles

    2. Optical coherence tomography angiographic findings of lamellar macular hole: comparisons between tractional and degenerative subtypes

      Optical coherence tomography angiographic findings of lamellar macular hole: comparisons between tractional and degenerative subtypes
      We investigated the microvascular changes in eyes with lamellar macular holes (LMHs) using optical coherence tomography angiography (OCTA), compare them between two subtypes of LMH. Tractional and degenerative LMH were differentiated based on the morphological characteristics of OCT. In OCTA images, foveal and parafoveal vessel density (VD) in the superficial and deep capillary plexus (SCP, DCP) and foveal avascular zone (FAZ) area were measured. Eyes that underwent vitrectomy for LMH ...
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    3. OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY IN PATIENTS WITH RETINITIS PIGMENTOSA–ASSOCIATED CYSTOID MACULAR EDEMA

      OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY IN PATIENTS WITH RETINITIS PIGMENTOSA–ASSOCIATED CYSTOID MACULAR EDEMA
      Purpose: To investigate the microstructure of cystoid macular edema (CME) in retinitis pigmentosa (RP) and the associated vascular changes using optical coherence tomography (OCT) angiography. Methods: In this retrospective study, we included 42 eyes of 21 patients with RP and age-similar normally sighted controls who underwent both OCT and optical coherence tomography angiography . Using OCT, spatial distribution of CME and the retinal layer, which CME located, was examined. Optical coherence ...
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    4. Optical coherence tomography angiography findings of type 1 diabetic patients with diabetic retinopathy, in comparison with type 2 patients

      Optical coherence tomography angiography findings of type 1 diabetic patients with diabetic retinopathy, in comparison with type 2 patients
      Purpose To compare optical coherence tomography angiography (OCT-A) parameters between type 1 and type 2 diabetic patients with diabetic retinopathy (DR). Methods A total of 70 patients with type 1 diabetes and 70 with type 2 diabetes were retrospectively analyzed. DR was graded as no DR, mild nonproliferative DR (NPDR), moderate NPDR, severe NPDR, and proliferative DR (PDR). Using OCT-A, the foveal avascular zone (FAZ) area (mm 2 ) and vascular ...
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    5. Optical Coherence Tomography Angiographic Findings of Tamoxifen Retinopathy: Similarity with Macular Telangiectasia Type 2

      Optical Coherence Tomography Angiographic Findings of Tamoxifen Retinopathy: Similarity with Macular Telangiectasia Type 2
      Purpose We aimed to describe the vascular changes in eyes associated with tamoxifen retinopathy using optical coherence tomography angiography (OCTA) and to compare these changes with abnormalities in macular telangiectasia type 2 (MacTel2) previously reported in the literature. Design Retrospective, observational study Participants Seventeen eyes with tamoxifen retinopathy and 17 eyes of age-matched normal controls. Methods The medical records of patients who visited the ophthalmology department with a history of ...
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    6. Macular capillary plexuses after epiretinal membrane surgery: an optical coherence tomography angiography study

      Macular capillary plexuses after epiretinal membrane surgery: an optical coherence tomography angiography study
      Aims To investigate macular vascular integrity using optical coherence tomography angiography (OCTA) in patients undergoing vitrectomy for idiopathic epiretinal membrane (ERM) removal and to determine its association with structural and visual outcomes. Methods Forty-three patients with unilateral ERM who were followed for 6 months after surgery were included. Ophthalmological evaluations included best-corrected visual acuity (BCVA) and spectral-domain OCT (SD-OCT) before surgery and 6 months after surgery. We obtained en face ...
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    7. Macular capillary plexuses after macular hole surgery: an optical coherence tomography angiography study

      Macular capillary plexuses after macular hole surgery: an optical coherence tomography angiography study
      Aims To investigate the structural changes of the superficial capillary plexuses (SCP) and deep capillary plexuses (DCP) using optical coherence tomography (OCT) angiography (OCTA) in patients with idiopathic macular hole (MH) after surgery, determine the factors related to changes of macular capillary plexuses and evaluate its association with postoperative visual outcomes. Methods Thirty-three patients with unilateral MH who were followed for 6 months after surgery were included. Ophthalmologic evaluations included ...
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    8. Optical Coherence Tomography Angiography of DME and Its Association with Anti-VEGF Treatment Response

      Optical Coherence Tomography Angiography of DME and Its Association with Anti-VEGF Treatment Response
      Purpose To investigate the structural integrity of the superficial capillary plexuses (SCPs) and deep capillary plexuses (DCPs) using optical coherence tomography (OCT) angiography (OCTA) in patients with diabetic macular edema (DME) and its association with the response to antivascular endothelial growth factor (VEGF) treatment. Design Retrospective, case-control study. Participants We included 51 DME eyes with a poor response to anti-VEGF agents and 32 age-matched DME eyes with a good response ...
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    9. Correlation between Spectral-Domain OCT findings and Visual Acuity in X-linked Retinoschisis

      Correlation between Spectral-Domain OCT findings and Visual Acuity in X-linked Retinoschisis
      PURPOSE: To investigate the tomographic characteristics of the outer retina and choroid and their relationship with visual auity in X-linked juvenile retinoschisis (XLRS) patients using spectral-domain optical coherence tomography (SD-OCT). METHODS: In this retrospective, observational, case-control study, we analyzed 20 eyes of 10 patients with XLRS using SD-OCT. The clinical and tomographic features of the outer retina, including the external limiting membrane (ELM), inner segment/outer segment (IS/OS) junction ...
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    10. Correlations between Spectral-Domain OCT Measurements and Visual Acuity in Cystoid Macular Edema Associated with Retinitis Pigmentosa

      Correlations between Spectral-Domain OCT Measurements and Visual Acuity in Cystoid Macular Edema Associated with Retinitis Pigmentosa
      Purpose: To evaluate the characteristics of SD-OCT findings associated with visual outcome and compare OCT measurements according to presence of cystoid macular edema (CME) in retinitis pigmentosa (RP) patients. Methods: Patients with typical RP underwent SD-OCT were included. We compared OCT measurements such as central retinal thickness (CRT), photoreceptor thickness, and photoreceptor inner segment/outer segment (IS/OS) junctional status at the fovea between CME and non-CME group. Also, correlations ...
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    11. The relationship between foveal ischemia and spectral-domain optical coherence tomography findings in ischemic diabetic macular edema

      The relationship between foveal ischemia and spectral-domain optical coherence tomography findings in ischemic diabetic macular edema
      To investigate the relationship between enlargement of the foveal avascular zone (FAZ) and structural changes on spectral-domain optical coherence tomography (SD-OCT) in patients with ischemic diabetic macular edema (DME). Methods: This was a retrospective, cross-sectional study including 35 eyes of 33 patients with ischemic DME determined by irregular margins of the FAZ in fluorescein angiography. We measured the best-corrected visual acuity (BCVA), central subfield thickness (CST), subfield volume, subfoveal choroidal ...
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    12. Assessment of Macular Function for Idiopathic Epiretinal Membranes Classified by Spectral Domain Optical Coherence Tomography

      Assessment of Macular Function for Idiopathic Epiretinal Membranes Classified by Spectral Domain Optical Coherence Tomography
      Purpose: To evaluate the functional changes in various morphologic types of idiopathic epiretinal membrane (ERM) by multifocal electroretinography (mfERG) and spectral domain optical coherence tomography (SD-OCT). Methods: All patients (n=71) with unilateral idiopathic ERM underwent complete ophthalmological examination, including measurements of best-corrected visual acuity (BCVA), SD-OCT, and mfERG for both eyes. To classify idiopathic ERM by subtype, the morphologic characteristics of the foveal area on representative scanned images were ...
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    13. 1-15 of 19 1 2 »
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  2. About Young H. Yoon

    Young H. Yoon

    Young Hee Yoon is with the Department of Ophthalmology, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, Korea.