Abstract:
:Although laser in situ keratomileusis (LASIK) enjoys a high success rate, postoperative residual or induced astigmatism may limit uncorrected visual acuity and cause starbursts and glare at night. Irregular astigmatism can also cause loss of best-corrected visual acuity, monocular diplopia, and ghosting of images. Astigmatism may be measured by keratometry and refraction, while corneal topographic techniques help to define irregular astigmatism, in particular. Further information may be obtained regarding induced higher-order aberrations with aberrometry. Because astigmatism has both direction and magnitude, its analysis is more complex than that of the spherical component of the treatment. There are multiple approaches to the analysis of surgically induced astigmatism, including vector analysis, conversion to a Cartesian coordinate system, matrix formalism, and linear optics. Both excimer laser and incisional techniques may be used to correct astigmatism after LASIK, but the treatment of irregular astigmatism requires selective zonal ablation techniques or customized corneal ablations, using topographic or wavefront derived data.
journal_name
Curr Opin Ophthalmoljournal_title
Current opinion in ophthalmologyauthors
Wu HKdoi
10.1097/00055735-200208000-00012keywords:
subject
Has Abstractpub_date
2002-08-01 00:00:00pages
250-5issue
4eissn
1040-8738issn
1531-7021journal_volume
13pub_type
杂志文章,评审abstract:PURPOSE:To examine the latest theories in understanding wound healing, primarily as it pertains to refractive surgery but also, briefly, incisional surgery and nonsurgical corneal conditions (iatrogenic injury and noninfectious corneal ulcers). RECENT FINDINGS:Corneal wound healing involves transformation of fibroblas...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/00055735-200408000-00006
更新日期:2004-08-01 00:00:00
abstract:PURPOSE OF REVIEW:The introduction of hydrogel socket and orbital expanders has modified the approach towards the rehabilitation of congenital anophthalmia. This study highlights the most recent advances for the treatment of congenital anophthalmia based on personal experience and the review of recent literature. RECE...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/ICU.0b013e328349948a
更新日期:2011-09-01 00:00:00
abstract:PURPOSE OF REVIEW:The aim of this article is to assess the current state of teleophthalmology given the sudden surge in telemedicine demand in response to the novel coronavirus 2019 (COVID-19). RECENT FINDINGS:Recommendations and policies from government and national health organizations, combined with social distanci...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/ICU.0000000000000689
更新日期:2020-09-01 00:00:00
abstract:PURPOSE OF REVIEW:To summarize the ocular and systemic associations of floppy eyelid syndrome (FES) as well as provide an up-to-date review on the pathogenesis and treatment strategies. RECENT FINDINGS:Virtually all patients with FES have obstructive sleep apnea (OSA). However, a significantly lower proportion of pati...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/ICU.0000000000000617
更新日期:2019-11-01 00:00:00
abstract::Using a liberal definition of corneal irregularity, modern videokeratoscopy may define approximately 40% of normal corneas with a toric refractive error as possessing primary irregular astigmatism. The causes of secondary forms of irregular astigmatism include corneal surgery, trauma, dystrophies, and infections. Inte...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/00055735-200008000-00007
更新日期:2000-08-01 00:00:00
abstract:PURPOSE OF REVIEW:The purpose of this review is to collate evidence and make recommendations regarding the use of multifocal intraocular lenses in patients with glaucoma. RECENT FINDINGS:Multifocal intraocular implants have been in use since the 1980s. Several studies have been done comparing their advantages and disa...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/ICU.0b013e328011d108
更新日期:2007-02-01 00:00:00
abstract:PURPOSE OF REVIEW:To review the ocular findings of patients with West Nile Virus. RECENT FINDINGS:Ocular findings have included multifocal choroiditis, vitritis, intraretinal hemorrhages, iritis, keratic precipitates, optic neuritis, branch retinal artery occlusions, and chorioretinal scarring in a case of intrauterin...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/01.icu.0000143687.45232.f1
更新日期:2004-12-01 00:00:00
abstract:PURPOSE OF REVIEW:To review new developments in the medical and surgical treatment options for benign essential blepharospasm (BEB). RECENT FINDINGS:Botulinum toxin injections remain the mainstay treatment for BEB with several formulations currently commercially available. Reports in the medical literature support pho...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/ICU.0000000000000500
更新日期:2018-09-01 00:00:00
abstract:PURPOSE OF REVIEW:Cataracts are a significant cause of blindness and visual impairment worldwide. The present article reviews the literature and describes the current extent of cataracts globally, barriers to treatment, and recommendations for improving the treatment of cataracts. RECENT FINDINGS:Prevalence and absolu...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/ICU.0000000000000340
更新日期:2017-01-01 00:00:00
abstract::Healing of corneal wounds is a complex process involving epithelial, keratocyte, and endothelial interactions that are affected by their associations with wound bed matrix and by cytokine availability and activation. The spectrum of possible cellular-matrix-growth factor interactions is indeed great and growing. Sever...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/00055735-199508000-00002
更新日期:1995-08-01 00:00:00
abstract:PURPOSE OF REVIEW:Methods of flap creation have changed over the years from the evolution of the mechanical microkeratome to the introduction of the IntraLase femtosecond laser keratome, both of which have different mechanisms of action to create corneal resections. Previous studies report the advantages and disadvanta...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/01.icu.0000233957.88509.2d
更新日期:2006-08-01 00:00:00
abstract:PURPOSE OF REVIEW:The diagnosis and management of chronic pediatric uveitis can be particularly challenging, with an estimated 25-33% of childhood uveitis cases resulting in severe, life-long visual disability. This paper reviews the recent literature on the management of chronic pediatric uveitis. RECENT FINDINGS:Thi...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/01.icu.0000177414.79030.32
更新日期:2005-10-01 00:00:00
abstract::Three problems exist when assessing the effectiveness of treatment for normal-tension glaucoma. Firstly, it is a common type of primary open-angle glaucoma. Secondly, the extent to which it is a pressure-sensitive disease remains to be seen. Thirdly, it is possible that normal-tension glaucoma is a collection of diffe...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/00055735-199504000-00011
更新日期:1995-04-01 00:00:00
abstract::The development of ocular imaging devices has progressed rapidly during the past 10 years. Ultrasound biomicroscopy has revolutionized the evaluation of the anterior segment of the eye. The qualitative information gathered using this technology has contributed to our understanding of the pathophysiology of angle-closu...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/00055735-200004000-00012
更新日期:2000-04-01 00:00:00
abstract:PURPOSE OF REVIEW:The purpose of this review is to update the clinician on the recent work in the field of pediatric glaucoma. RECENT FINDINGS:Using the iCare tonometer to measure intraocular pressure (IOP) in children is highly successful. New data from the Infant Aphakia Treatment Study show that after 5 years of fo...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/ICU.0000000000000349
更新日期:2017-03-01 00:00:00
abstract:PURPOSE OF REVIEW:Recent advances in the design and material of phakic intraocular lenses have made them very predictable, safe and effective. The use of these lenses in refractive surgery is expected to increase very significantly in the near future. The aim of this review is to update the reader regarding the recent ...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/ICU.0b013e3283009f0a
更新日期:2008-07-01 00:00:00
abstract:PURPOSE OF REVIEW:This review discusses the concept and measurement of health literacy, with a focus on the care of patients with glaucoma. RECENT FINDINGS:Nearly one-fourth of adults in the USA lack the skills needed to fully comprehend and act on verbal or written information in the healthcare environment. This prob...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/ICU.0b013e32835c8b0e
更新日期:2013-03-01 00:00:00
abstract::Glaucoma surgery has evolved over the past 30 years from the full-thickness procedure to the guarded filtration procedure. However, many of the risks and complications attendant with the full-thickness procedure, including endophthalmitis, hypotony, cataract progression, and filtration failure, continue to plague the ...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/00055735-199904000-00006
更新日期:1999-04-01 00:00:00
abstract::This review of recent articles on ocular toxicology concentrates on undesirable effects on the eye induced by systemically used xenobiotics. These include color vision deficiencies or visual field deterioration related to antiepileptic drugs, elevated intraocular pressure associated with inhaled corticosteroids, retin...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/00055735-199712000-00016
更新日期:1997-12-01 00:00:00
abstract:PURPOSE OF REVIEW:Although researchers continue to investigate the multifarious etiologic, anatomical, physiological, and pathological factors of dry eye, successful treatment remains a challenge. RECENT FINDINGS:Dry eye prevalence is substantial across populations and the term 'dry eye' is used to describe numerous c...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/ICU.0b013e32832b7578
更新日期:2009-07-01 00:00:00
abstract::New knowledge of the pathophysiology of amblyopia has evolved through animal research over the past 30 years. We now know that development and treatment of amblyopia have a critical and sensitive period. After more than a millennium, patching of the dominant eye remains the cornerstone of amblyopia treatment, and comp...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/00055735-199610000-00003
更新日期:1996-10-01 00:00:00
abstract:PURPOSE OF REVIEW:To review current practices for trachoma treatment with a focus on recent studies, particularly those discussing trachoma trichiasis surgery. RECENT FINDINGS:Azithromycin eye drops twice daily for 3 days may be as efficient as oral azithromycin in treating active trachoma. Facial cleanliness and envi...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/ICU.0000000000000504
更新日期:2018-09-01 00:00:00
abstract:PURPOSE OF REVIEW:Significant advances have been made in oncology and rheumatology with the introduction of molecularly targeted agents (MTAs). MTAs consist of monoclonal antibodies and small molecule inhibitors. The purpose of this manuscript is to review the recent applications of MTAs to orbital, lacrimal, and eyeli...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/ICU.0000000000000403
更新日期:2017-09-01 00:00:00
abstract:PURPOSE OF REVIEW:To describe recent advances in clinical features, diagnostic tools, and treatment modalities for lymphoproliferative diseases affecting the ocular adnexa. RECENT FINDINGS:A close relationship of non-Hodgkin lymphoma with long-term use of aspirin and nonaspirin nonsteroidal antiinflammatory drugs has ...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/01.icu.0000139302.16648.80
更新日期:2004-10-01 00:00:00
abstract::Transcleral suturing of posterior chamber intraocular lenses (IOLs) was developed to extend the benefits of IOL visual rehabilitation to eyes lacking capsular support and to avoid the complications of closed loop interior chamber IOLs. Although most frequently implanted after complicated cataract surgery or penetratin...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/00055735-200106000-00013
更新日期:2001-06-01 00:00:00
abstract::Glaucoma is a progressive optic neuropathy that has a multi-factorial etiology. The most important risk factor is certainly an increased intraocular pressure. However, clinical observations have indicated that factors other than increased intraocular pressure also damage the neural tissue in glaucomatous optic neuropa...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/00055735-199804000-00016
更新日期:1998-04-01 00:00:00
abstract:PURPOSE OF REVIEW:Optical coherence tomography has assumed an important role in the management of numerous ocular conditions. With regard to ocular oncology, optical coherence tomography can illustrate retinal changes overlying choroidal tumors. Some of these features include photoreceptor loss, intraretinal edema, and...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/01.icu.0000158258.01681.40
更新日期:2005-06-01 00:00:00
abstract:PURPOSE OF REVIEW:The purpose of this study is to discuss current controversies surrounding the proposed treatments for traumatic optic neuropathy (TON) and review recent evidence from the literature relating to these therapeutic options. RECENT FINDINGS:No recent randomized controlled trials investigating surgical or...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/ICU.0000000000000198
更新日期:2015-11-01 00:00:00
abstract:PURPOSE OF REVIEW:To review the literature in 2017 and 2018 pertaining to biometry for cataract surgery and report pertinent findings. RECENT FINDINGS:New devices using swept-source ocular coherence tomography can measure axial length in dense cataracts more frequently than common biometers. Computer-assisted registra...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/ICU.0000000000000536
更新日期:2019-01-01 00:00:00
abstract:PURPOSE OF REVIEW:To discuss the risks, benefits and value of genetic testing for ocular genetic disease. RECENT FINDINGS:Testing for ocular genetics diseases is becoming more available and successful gene therapy is being reported. Clinicians must prepare for this trend by considering diagnostic genetic testing for t...
journal_title:Current opinion in ophthalmology
pub_type: 杂志文章,评审
doi:10.1097/ICU.0000000000000083
更新日期:2014-09-01 00:00:00