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Find video protocols related to scientific articles indexed in Pubmed.
Optical coherence tomography-based retinal vessel analysis for the evaluation of hypertensive vasculopathy.
Acta Ophthalmol
PUBLISHED: 08-11-2014
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Evaluation of retinal vessels in cardiovascular disease traditionally relies upon funduscopy, but more recently digital photo analysis has expanded the spectrum. As spectral domain optical coherence tomography (OCT) allows an in-vivo assessment of retinal tissue and its vessels on a histological scale, our study aimed at using this tool for the analysis of the retinal vasculature.
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Retinal Imaging through Phakic Iris-Claw IOL.
Semin Ophthalmol
PUBLISHED: 06-14-2014
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Abstract Background: Phakic anterior chamber iris-fixated IOL (PIOL) are established for the correction of high myopia. These patients require attention to macular pathologies. This study was to evaluate the quality of imaging through the PIOLs. Methods: 54 eyes of 31 myopic and hyperopic patients with Verisyse®, Verisyse toric®, and Veriflex® phakic iris-fixated IOL were included. Mean preoperative refraction was -11.0?D and +5.7?D, respectively; mean follow-up time was 7.4 years (5-11 years). A matched control group was formed without PIOL implantation. OCT scans were performed and evaluated qualitatively and quantitatively. Results: In 52 eyes of 31 patients (96%), a 3D-OCT image and fundus photo could be obtained in good quality. Foveal thickness was significantly thicker in the myopic patients, whereas all other sectors and total volume had no significant difference. Conclusions: It proved possible to obtain high-resolution scans and digital photos of the same quality as without additional phakic IOL.
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Choroidal Thickness in Non-Arteritic Anterior Ischemic Optic Neuropathy.
Am. J. Ophthalmol.
PUBLISHED: 05-20-2014
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To examine choroidal thickness in non-arteritic anterior ischemic optic neuropathy (AION).
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Associations of macular thickness in spectral-domain OCT with ocular and systemic cardiovascular parameters - The MIPH Eye & Health Study.
Graefes Arch. Clin. Exp. Ophthalmol.
PUBLISHED: 05-13-2014
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Beyond in-vivo histological analysis of retinal tissue, optical coherence tomography (OCT) allows quantitative image analysis. This study evaluates associations of macular retinal thickness measured with spectral-domain OCT (SD-OCT) and ocular and systemic cardiovascular parameters in adult subjects.
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Target refraction for best uncorrected distance and near vision in cataract surgery.
Eur J Ophthalmol
PUBLISHED: 12-16-2013
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Purpose: To assess the target refractive error after cataract surgery to achieve best uncorrected visual acuity for both distance vision and reading vision.

Methods: The study included patients consecutively undergoing routine phacoemulsification with clear corneal incisions and implantation of a foldable monofocal intraocular lens (IOL). Uncorrected distance visual acuity (UCDVA), best-corrected distance visual acuity (BCDVA), uncorrected near visual acuity (UCNVA,) and best-corrected near visual acuity were measured at 93 ± 47 days (minimum 4 weeks) after surgery. Inclusion criteria were a postoperative cylindrical refractive error ?1.5 D and an unremarkable postoperative status.

Results: The study included 493 eyes of 493 patients with a mean age of 74.2 ± 8.7 years and mean axial length 23.4 ± 1.1 mm. The UCDVA significantly (p<0.001) increased with decreasing myopic refractive error (spherical equivalent) towards emmetropia and then significantly (p<0.001) decreased with increasing hyperopic refractive error. The UCNVA significantly (p<0.001) decreased with decreasing myopic and increasing hyperopic refractive error. The ascending UCDVA line and the descending UCNVA line intersected in the refractive error range (spherical equivalent) of -1.00 D to -1.50 D. For patients with a BCDVA of ?20/25, the lines of UCDVA and UCNVA intersected at a UCDVA range between 20/40 (logMAR 0.30; -1.5 D) and 20/32 (logMAR 0.26; -1.0 D) and at a UCNVA range between Jaeger 3 (logMAR 0.26) and Jaeger 4 (logMAR 0.32).

Conclusions: For routine unilateral cataract surgery with implantation of monofocal IOLs, target refractive error to achieve best uncorrected distance and near vision was in the range of -1.00 D to -1.50 D (spherical equivalent).

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Semi-automated retinal vessel analysis in nonmydriatic fundus photography.
Acta Ophthalmol
PUBLISHED: 06-12-2013
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Funduscopic assessment of the retinal vessels may be used to assess the health status of microcirculation and as a component in the evaluation of cardiovascular risk factors. Typically, the evaluation is restricted to morphological appreciation without strict quantification. Our purpose was to develop and validate a software tool for semi-automated quantitative analysis of retinal vasculature in nonmydriatic fundus photography.
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The impact on vision of aspheric to spherical monofocal intraocular lenses in cataract surgery: a systematic review with meta-analysis.
Ophthalmology
PUBLISHED: 04-06-2013
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To provide a summary of the impact on vision of an aspheric intraocular lens (IOL) compared with a spherical IOL in cataract surgery.
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Localizing Brocas area for transcranial magnetic stimulation: Comparison of surface distance measurements and stereotaxic positioning.
Brain Stimul
PUBLISHED: 04-01-2009
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Precise placement of transcranial magnetic stimulation (TMS) coils over target regions is crucial for correct interpretation of TMS effects. Modern frameless stereotaxic systems yield high accuracy, but require extensive equipment and cannot be used in every setting, for example, during functional imaging sessions.
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Pain perception in athletes compared to normally active controls: a systematic review with meta-analysis.
Pain
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This study systematically reviewed differences in pain perception between athletes and normally active controls. We screened MEDLINE, Sport-Discus, EMBASE, Web of Science, PsycINFO, PSYNDEX, and the citations of original studies and systematic reviews. All studies on experimentally induced pain that compared pain perception between athletes and normally active controls were eligible. The main outcome measures were pain tolerance and pain threshold. Effects are described as standardized mean differences and were pooled using random-effects models. Fifteen studies including 899 subjects met the inclusion criteria. Twelve of these studies assessed pain tolerance, and 9 studies examined pain threshold. A meta-analysis of these studies revealed that athletes possessed higher pain tolerance compared to normally active controls (effect size calculated as Hedges g=0.87, 95% confidence interval [CI(95)] 0.53-1.21; P<0.00001), whereas available data on pain threshold were less uniform (Hedges g=0.69, CI(95) 0.16-1.21; P=0.01). After exclusion of studies with high risk of bias, differences between groups in pain threshold were not significant any longer. Our data suggest that regular physical activity is associated with specific alterations in pain perception. Psychological and biological factors that may be responsible for these alterations are discussed.
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Effect of change in drusen evolution on photoreceptor inner segment/outer segment junction.
Retina (Philadelphia, Pa.)
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To evaluate the integrity of photoreceptor inner segment/outer segment (IS/OS) junction after change of drusen size in age-related macular degeneration using spectral-domain optical coherence tomography.
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RESTORATION OF RETINAL LAYERS AFTER EPIRETINAL MEMBRANE PEELING.
Retina (Philadelphia, Pa.)
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To evaluate the morphologic restoration of retinal anatomy after surgery for epiretinal membrane (ERM) peeling using spectral domain optical coherence tomography. Correlation of retinal structure with visual outcome.
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What is Visualize?

JoVE Visualize is a tool created to match the last 5 years of PubMed publications to methods in JoVE's video library.

How does it work?

We use abstracts found on PubMed and match them to JoVE videos to create a list of 10 to 30 related methods videos.

Video X seems to be unrelated to Abstract Y...

In developing our video relationships, we compare around 5 million PubMed articles to our library of over 4,500 methods videos. In some cases the language used in the PubMed abstracts makes matching that content to a JoVE video difficult. In other cases, there happens not to be any content in our video library that is relevant to the topic of a given abstract. In these cases, our algorithms are trying their best to display videos with relevant content, which can sometimes result in matched videos with only a slight relation.