Purpose:We describe a case of high myopia who developed paravascular retinal rarefaction generated by vitreoretinal adhesion on retinal vessels detected using optical coherence tomography(OCT).Methods:A 31-year-old ma...Purpose:We describe a case of high myopia who developed paravascular retinal rarefaction generated by vitreoretinal adhesion on retinal vessels detected using optical coherence tomography(OCT).Methods:A 31-year-old man received a regular ophthalmologic examination for high myopia including detailed fundus examination and OCT.Results:Detailed fundus examination revealed retinal rarefaction and fissure-like findings alongside the superior temporal retinal artery and vein in the right eye.OCT images revealed vitreoretinal adhesions on the retinal artery and a paravascular cystoid space in the inner retina.There was no retinal detachment.The axial length had increased by 1.50 mm over 15 years.Conclusion:Paravascular retinal rarefaction as well as pseudohole formation caused by vitreoretinal adhesion on retinal vessels was detected in this patient using OCT.OCT might be useful to detect early-stage retinal pathologies caused by paravascular vitreoretinal traction in highly myopic patients.展开更多
Purpose: To report clinical and optical coherence tomography (OCT) features in patients with idiopathicmacular hole and extensive subretinal fluid (extending at least 1 disk diameter from the center of the hole). Desi...Purpose: To report clinical and optical coherence tomography (OCT) features in patients with idiopathicmacular hole and extensive subretinal fluid (extending at least 1 disk diameter from the center of the hole). Design: Retrospective, consecutive, noncomparative case series. Methods: The case records of two patients with idiopathic macular holes with extensive subretinal fluid were reviewed. Results: Both patients presented with reduced visual acuity (20/200 and 20/400). OCT demonstrated attachment of the posterior hyaloid to the inner retina, a fullthickness macular hole, cystoid macular edema (CME), and extensive subretinal fluid. After surgery, both patients achieved macular hole closure and improvement in visual acuity (20/60 and 20/30). Postoperatively, OCT showed a normal foveal contour, complete hole closure, and resolution of the CME and subretinal fluid. Conclusions: In patients with macular hole and extensive subretinal fluid, improved visual acuity and hole closure can be achieved. Preoperative OCT in these patients demonstrates vitreoretinal interface abnormalities, CME, and extensive subretinal fluid. These changes resolve postoperatively.展开更多
目的观察早期糖尿病患者视网膜功能。方法对视力正常、眼底正常或为轻度非增殖性糖尿病性视网膜病变的糖尿病患者共60眼行多焦视网膜电图二阶 kernel 反应(second order kernel,SOK)检查,将检查结果与36眼正常同龄对照组比较。结果与正...目的观察早期糖尿病患者视网膜功能。方法对视力正常、眼底正常或为轻度非增殖性糖尿病性视网膜病变的糖尿病患者共60眼行多焦视网膜电图二阶 kernel 反应(second order kernel,SOK)检查,将检查结果与36眼正常同龄对照组比较。结果与正常对照组相比,糖尿病组后极部视网膜 SOK 总合反应的 P_1波振幅密度值降低、峰时延迟,差异均有统计学意义(t=2.6000.P=0.0109和 t=2.3657,P=0.0201);与无糖尿病性视网膜病组相比,轻度糖尿病性视网膜病组后极部视网膜 SOK 总合反应的 P_1波峰时延迟,差异有统计学意义(t=2.5080,P=0.0150)。结论糖尿病患者中心视力尚正常时,由 SOK 检测到的内层视网膜功能已有异常;轻度糖尿病性视网膜病眼峰时异常更明显;SOK 可作为早期糖尿病性视网膜病变检测的指标。(中国眼耳鼻喉科杂志,2005,5:358～360)展开更多
Purpose: Study correlation between optical coherence tomography (OCT) findings and visual acuity (VA) outcomes after successful macular hole surgery (MHS).Design: Retrospective cross- sectional study. Methods: Postope...Purpose: Study correlation between optical coherence tomography (OCT) findings and visual acuity (VA) outcomes after successful macular hole surgery (MHS).Design: Retrospective cross- sectional study. Methods: PostoperativeOCT scans were analyzed in 34 eyes of 30 patients. Raw files of horizontal and vertical OCT scans were exported to Adobe Photoshop 7.0. Measured parameters included central foveal thickness, photoreceptor thickness, photoreceptor reflectivity, and relative reflectivity of photoreceptor to retinal pigment epithelium in the foveal area. Foveal configuration was subjectively graded. Results: OCT scans were obtained at a median of 2 years (1 month to 10 years) postoperatively. The median visual acuity was 20/80 (20/50 to 8/200) preoperatively and 20/50 (20/20 to5/200) postoperatively. The median foveal thickness was 198.5 μ (148 to 283). The mean (SD) photoreceptor layer thickness was 16.5 (8) μ in the 500 μ area and 17.5 (8) μ in the 1000 μ area. Mean (SD) of relative reflectivity of the photoreceptor layer was 0.60 (0.10) in both 500 μ and 1000 μ area. Postoperative VA did not correlate with foveal thickness or foveal configuration. Central (500 μ and 1000 μ ) photoreceptor thicknesswas significantly correlated with final VA(r=.38, P=.026, each). Relative reflectivity of photoreceptors to retinal pigment epithelium in the 500 μ area was correlated with postoperative VA at a borderline significance (r=.32, P=.07). Relative reflectivity of photoreceptors to retinal pigment epithelium in the 1000 μ area was not significantly correlated with postoperative VA (r=.27, P=.12). Conclusion: Specific retinal features can be assessed from OCT images. Morphology and thickness of the foveal photoreceptor layer correlate well with macular function after successful MHS. Outer retinal features appear to be more important to determine postoperative visual function. Inner retinal features may be more relevant for the ophthalmoscopic appearance of anatomic closure.展开更多
文摘Purpose:We describe a case of high myopia who developed paravascular retinal rarefaction generated by vitreoretinal adhesion on retinal vessels detected using optical coherence tomography(OCT).Methods:A 31-year-old man received a regular ophthalmologic examination for high myopia including detailed fundus examination and OCT.Results:Detailed fundus examination revealed retinal rarefaction and fissure-like findings alongside the superior temporal retinal artery and vein in the right eye.OCT images revealed vitreoretinal adhesions on the retinal artery and a paravascular cystoid space in the inner retina.There was no retinal detachment.The axial length had increased by 1.50 mm over 15 years.Conclusion:Paravascular retinal rarefaction as well as pseudohole formation caused by vitreoretinal adhesion on retinal vessels was detected in this patient using OCT.OCT might be useful to detect early-stage retinal pathologies caused by paravascular vitreoretinal traction in highly myopic patients.
文摘Purpose: To report clinical and optical coherence tomography (OCT) features in patients with idiopathicmacular hole and extensive subretinal fluid (extending at least 1 disk diameter from the center of the hole). Design: Retrospective, consecutive, noncomparative case series. Methods: The case records of two patients with idiopathic macular holes with extensive subretinal fluid were reviewed. Results: Both patients presented with reduced visual acuity (20/200 and 20/400). OCT demonstrated attachment of the posterior hyaloid to the inner retina, a fullthickness macular hole, cystoid macular edema (CME), and extensive subretinal fluid. After surgery, both patients achieved macular hole closure and improvement in visual acuity (20/60 and 20/30). Postoperatively, OCT showed a normal foveal contour, complete hole closure, and resolution of the CME and subretinal fluid. Conclusions: In patients with macular hole and extensive subretinal fluid, improved visual acuity and hole closure can be achieved. Preoperative OCT in these patients demonstrates vitreoretinal interface abnormalities, CME, and extensive subretinal fluid. These changes resolve postoperatively.
文摘目的观察早期糖尿病患者视网膜功能。方法对视力正常、眼底正常或为轻度非增殖性糖尿病性视网膜病变的糖尿病患者共60眼行多焦视网膜电图二阶 kernel 反应(second order kernel,SOK)检查,将检查结果与36眼正常同龄对照组比较。结果与正常对照组相比,糖尿病组后极部视网膜 SOK 总合反应的 P_1波振幅密度值降低、峰时延迟,差异均有统计学意义(t=2.6000.P=0.0109和 t=2.3657,P=0.0201);与无糖尿病性视网膜病组相比,轻度糖尿病性视网膜病组后极部视网膜 SOK 总合反应的 P_1波峰时延迟,差异有统计学意义(t=2.5080,P=0.0150)。结论糖尿病患者中心视力尚正常时,由 SOK 检测到的内层视网膜功能已有异常;轻度糖尿病性视网膜病眼峰时异常更明显;SOK 可作为早期糖尿病性视网膜病变检测的指标。(中国眼耳鼻喉科杂志,2005,5:358～360)
文摘Purpose: Study correlation between optical coherence tomography (OCT) findings and visual acuity (VA) outcomes after successful macular hole surgery (MHS).Design: Retrospective cross- sectional study. Methods: PostoperativeOCT scans were analyzed in 34 eyes of 30 patients. Raw files of horizontal and vertical OCT scans were exported to Adobe Photoshop 7.0. Measured parameters included central foveal thickness, photoreceptor thickness, photoreceptor reflectivity, and relative reflectivity of photoreceptor to retinal pigment epithelium in the foveal area. Foveal configuration was subjectively graded. Results: OCT scans were obtained at a median of 2 years (1 month to 10 years) postoperatively. The median visual acuity was 20/80 (20/50 to 8/200) preoperatively and 20/50 (20/20 to5/200) postoperatively. The median foveal thickness was 198.5 μ (148 to 283). The mean (SD) photoreceptor layer thickness was 16.5 (8) μ in the 500 μ area and 17.5 (8) μ in the 1000 μ area. Mean (SD) of relative reflectivity of the photoreceptor layer was 0.60 (0.10) in both 500 μ and 1000 μ area. Postoperative VA did not correlate with foveal thickness or foveal configuration. Central (500 μ and 1000 μ ) photoreceptor thicknesswas significantly correlated with final VA(r=.38, P=.026, each). Relative reflectivity of photoreceptors to retinal pigment epithelium in the 500 μ area was correlated with postoperative VA at a borderline significance (r=.32, P=.07). Relative reflectivity of photoreceptors to retinal pigment epithelium in the 1000 μ area was not significantly correlated with postoperative VA (r=.27, P=.12). Conclusion: Specific retinal features can be assessed from OCT images. Morphology and thickness of the foveal photoreceptor layer correlate well with macular function after successful MHS. Outer retinal features appear to be more important to determine postoperative visual function. Inner retinal features may be more relevant for the ophthalmoscopic appearance of anatomic closure.
