Optometry最新文献_第8页

Bilateral, geographic, peripapillary, chorioretinal atrophy in a patient with porphyria cutanea tarda and high iron stores 迟发性皮肤卟啉症伴高铁储量患者双侧、地域性、乳头周围、绒毛膜视网膜萎缩1例

Optometry Pub Date : 2011-10-01 DOI: 10.1016/j.optm.2011.02.017

William J. Denton O.D., Christian W. Jordan O.D., William J. McGill O.D.

{"title":"Bilateral, geographic, peripapillary, chorioretinal atrophy in a patient with porphyria cutanea tarda and high iron stores","authors":"William J. Denton O.D., Christian W. Jordan O.D., William J. McGill O.D.","doi":"10.1016/j.optm.2011.02.017","DOIUrl":"10.1016/j.optm.2011.02.017","url":null,"abstract":"<div><h3>Purpose</h3><p><span>Porphyria cutanea tarda<span><span> (PCT) is a systemic disease caused by a deficiency of the enzyme </span>uroporphyrinogen decarboxylase, which is the fifth enzyme in the heme biosynthetic pathway. This deficiency prevents </span></span>porphyrin and its byproducts from producing heme.</p></div><div><h3>Case Report</h3><p>This case report presents a patient with PCT that is further complicated by high iron stores, chronic hepatitis C virus (HCV), and a history of alcoholism. Bilateral, geographic, peripapillary chorioretinal atrophy is evident and shows progression over a significant period despite improving the PCT.</p></div><div><h3>Conclusion</h3><p>A bilateral and progressive appearance of a retinal pathology in a middle-age male patient, with no family ocular history, suggests systemic causation. One theory includes a back flow of porphyrin byproducts from PCT. This is exacerbated by a less-than-productive liver caused by high iron stores, chronic HCV, and a history of alcoholism, which prevents the normal filtering process to occur. We believe this is the first report of a case of presumed bilateral, geographic, peripapillary chorioretinal atrophy in a patient with PCT, complicated by high iron stores, HCV, and alcoholism.</p></div>","PeriodicalId":51265,"journal":{"name":"Optometry","volume":"82 10","pages":"Pages 632-641"},"PeriodicalIF":0.0,"publicationDate":"2011-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.optm.2011.02.017","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"30020167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Acupuncture still popular 针灸仍受欢迎

Optometry Pub Date : 2011-10-01 DOI: 10.1016/j.optm.2011.09.001

Byron Y. Newman O.D.

引用次数: 0

Spectral domain optical coherence tomography of myopic traction maculopathy 近视牵引性黄斑病变的光谱域光学相干断层扫描

Optometry Pub Date : 2011-10-01 DOI: 10.1016/j.optm.2011.03.013

Jennifer L. Robichaud O.D., Eulogio Besada O.D., Lindsay Basler O.D., Barry J. Frauens O.D.

{"title":"Spectral domain optical coherence tomography of myopic traction maculopathy","authors":"Jennifer L. Robichaud O.D., Eulogio Besada O.D., Lindsay Basler O.D., Barry J. Frauens O.D.","doi":"10.1016/j.optm.2011.03.013","DOIUrl":"10.1016/j.optm.2011.03.013","url":null,"abstract":"<div><h3>Purpose</h3><p>Here we document 2 cases of macular schisis-like appearance in high myopia analyzed with spectral domain optical coherence tomography (SDOCT).</p></div><div><h3>Methods</h3><p>In Case 1, a 58-year-old patient with high myopia manifesting a recent onset of decreased vision in the right eye (OD) is presented. In Case 2, a 45-year-old patient with a lifelong history of no light perception and high myopia OD is presented.</p></div><div><h3>Results</h3><p><span>In Case 1, biomicroscopy<span> found a posterior staphyloma associated with subtle retinal thickening in the patient’s right eye. SDOCT confirmed the presence of macular </span></span>traction associated with a schisis-like appearance. In Case 2, a posterior staphyloma associated with significant macular thickening was observed during biomicroscopy. SDOCT found macular traction and a schisis-like appearance.</p></div><div><h3>Conclusions</h3><p>These presentations are consistent with myopic traction maculopathy. Few myopic traction maculopathy cases have been studied with SDOCT. The time domain optical coherence tomography and SDOCT analysis suggests that the etiology of this condition may be secondary to preretinal and extraretinal traction exhibited in degenerative high myopia.</p></div>","PeriodicalId":51265,"journal":{"name":"Optometry","volume":"82 10","pages":"Pages 607-613"},"PeriodicalIF":0.0,"publicationDate":"2011-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.optm.2011.03.013","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"30075528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 9

A public health approach to developing primary care optometry 发展初级保健验光的公共卫生方法

Optometry Pub Date : 2011-10-01 DOI: 10.1016/j.optm.2011.08.005

American Optometric Association

引用次数: 0

Peripapillary vitreoretinal traction 乳头周围玻璃体视网膜牵引

Optometry Pub Date : 2011-10-01 DOI: 10.1016/j.optm.2011.02.018

Angeline Hixson O.D., Sherrol Reynolds O.D.

{"title":"Peripapillary vitreoretinal traction","authors":"Angeline Hixson O.D., Sherrol Reynolds O.D.","doi":"10.1016/j.optm.2011.02.018","DOIUrl":"10.1016/j.optm.2011.02.018","url":null,"abstract":"<div><h3>Background</h3><p><span>Vitreoretinal traction syndrome may occur </span>in patients<span> with incomplete posterior vitreous detachment. Although vitreoretinal traction of the macula is well-documented in the literature, the manifestations of peripapillary vitreoretinal traction are rarely discussed.</span></p></div><div><h3>Case report</h3><p>A 62-year-old black woman presented for a comprehensive examination. She reported having uncontrolled diabetes and hypertension. Best-corrected visual acuities were 20/30 in the right eye (OD) and 20/25 in the left eye (OS). Dilated examination found a flame-shaped hemorrhage OD. The optic nerve margins OS were blurred, with the margins appearing elevated with peripapillary intraretinal hemorrhages. Cirrus spectral domain optical coherence tomography (OCT) found the presence of peripapillary vitreoretinal traction with concurrent vitreomacular traction OS.</p></div><div><h3>Conclusion</h3><p><span>Although the effects of vitreoretinal traction are most commonly associated with the macula or peripheral retina, residual attachment can occur at the optic nerve head. Peripapillary vitreoretinal traction can cause optic nerve head elevation with the appearance of edema that must be distinguished from sight- or health-threatening etiologies. </span>OCT is a valuable diagnostic tool in confirming peripapillary vitreoretinal traction.</p></div>","PeriodicalId":51265,"journal":{"name":"Optometry","volume":"82 10","pages":"Pages 602-606"},"PeriodicalIF":0.0,"publicationDate":"2011-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.optm.2011.02.018","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"29945058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 9

How r u? 你好吗?

Optometry Pub Date : 2011-10-01 DOI: 10.1016/j.optm.2011.08.009

Paul B. Freeman O.D.

引用次数: 2

Response to Letter to the Editor 对给编辑的信的回应

Optometry Pub Date : 2011-10-01 DOI: 10.1016/j.optm.2011.08.012

Paul B. Freeman O.D.

引用次数: 0

Turn being “lunchtime entertainment” into a marketing opportunity 把“午餐娱乐”变成一个营销机会

Optometry Pub Date : 2011-10-01 DOI: 10.1016/j.optm.2011.08.007

Gary Gerber O.D.

引用次数: 0

Delinquent tax returns 拖欠纳税申报表

Optometry Pub Date : 2011-10-01 DOI: 10.1016/j.optm.2011.08.006

James R. Armstrong C.P.A.

引用次数: 0

Case Report: The correction of a high magnitude of astigmatism with laser-assisted in situ keratomileusis 病例报告:激光辅助原位角膜磨砂术矫正高度数散光

Optometry Pub Date : 2011-10-01 DOI: 10.1016/j.optm.2011.02.019

Phillip B. Brunson O.D., Paul M. Mann M.D.

{"title":"Case Report: The correction of a high magnitude of astigmatism with laser-assisted in situ keratomileusis","authors":"Phillip B. Brunson O.D., Paul M. Mann M.D.","doi":"10.1016/j.optm.2011.02.019","DOIUrl":"10.1016/j.optm.2011.02.019","url":null,"abstract":"<div><h3>Background</h3><p><span>Laser-assisted in situ keratomileusis (LASIK) has undergone several evolutions since it was first approved by the U.S. Food and Drug Administration. Currently, excimer lasers are approved by the U.S. Food and Drug Administration to treat </span>refractive errors<span> with a standard ablation profile, a wavefront-optimized ablation profile, or a wavefront-guided ablation profile. Wavefront-optimized ablation profiles provide a simple method to precompensate for the expected fourth-order spherical aberration and higher-order astigmatism in the average eye.</span></p></div><div><h3>Case report</h3><p>We report a case of a 39-year-old white man, with a high magnitude of mixed astigmatism in the right and left eyes, who was seeking refractive surgical options because he was unable to tolerate contact lenses. The patient underwent bilateral wavefront-optimized LASIK to correct his high degree of astigmatism. Wavefront-guided ablation, as in this patient, can not always be performed because the parameters are not within the allowable treatment profile. Four months after the primary LASIK treatment, the patient underwent a bilateral wavefront-optimized LASIK enhancement for residual astigmatism.</p></div><div><h3>Conclusion</h3><p><span><span>This case focuses on the utilization of a wavefront-optimized LASIK treatment profile to eliminate a high magnitude of astigmatic refractive error without inducing higher-order aberrations. Wavefront-guided treatments are not required in most cases but should be considered if the magnitude of preoperative root-mean-square higher-order aberrations is greater than 0.35 μm. Wavefront-optimized aspheric corneal ablations attempt to avoid reducing the </span>prolate eccentricity of the average cornea, and optimized treatments have shown improved visual outcomes compared with conventional LASIK treatments. A thorough knowledge of </span>refractive surgery<span> is important for any treating eye care practitioner to provide patients with the full range of options to correct all types of refractive errors.</span></p></div>","PeriodicalId":51265,"journal":{"name":"Optometry","volume":"82 10","pages":"Pages 614-621"},"PeriodicalIF":0.0,"publicationDate":"2011-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.optm.2011.02.019","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"30163655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1