Photic phenomenon

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August undefined, 2024

WebPhakic IOL ( PIOL) refers to an intraocular lens implanted without removal of the patient's original crystalline lens, and this is performed solely to correct refractive error in the … WebApr 8, 2024 · Three subjective perceptions of photic phenomena (i.e., glare, halo, and starbursts) were reproduced around the light sources. The vision simulator could adjust …

Intensity simulation of photic effects after cataract surgery ... - PLOS

WebObjective and subjective evaluation of photic phenomena after monofocal and multifocal intraocular lens implantation In monofocal as well as in multifocal eyes, halo and glare disability occurred. Patient age, corneal surface quality, and IOL design played an important role in these photic phenomena. WebJun 20, 2024 · Photic Phenomena. Around 50% of patients describe some form of photic phenomenon, most commonly glare. Like the multifocal cohort, the patients were not bothered by the glare [8, 44, 45]. Patient Satisfaction. Over 90% of patients are satisfied with their bilateral Crystalens implant,and 81% would refer a family member to have the same … grand bonsai

Photosensitivity and Epilepsy - Medscape

WebApr 8, 2024 · Purpose To evaluate the association between the orientation of the intermediate-vision zone and postoperative photic phenomena in eyes implanted with rotationally asymmetric multifocal intraocular lenses with + 1.5 diopters near addition. Study design Retrospective comparative case series. Methods We performed the photic … WebPatient satisfaction and photic phenomena. A total of 80 patients finally answered the subjective questionnaire evaluating subjectively the patient vision and the incidence of … WebSep 21, 2024 · The subjective degree of photic phenomena was also different between the two groups (Fig. 3). However, it is important to note that we measured the photic … chinchilla tyres

Epileptic Syndromes and Visually Induced Seizures

Not Just a PVD: Differential Diagnosis of Flashing Lights

Webphenomenon (n.). 1570er Jahre, "eine direkt beobachtete Tatsache, eine Sache, die erscheint oder wahrgenommen wird, ein Ereignis", insbesondere eine regelmäßige Art von Tatsache, die zu bestimmten Anlässen beobachtet wird, aus dem Lateinischen phænomenon, aus dem Griechischen phainomenon "das, was erscheint oder gesehen wird", Substantivierung des … WebThe study included patients with bilateral implantation of EROV IOLs. The uncorrected and corrected visual acuity for distance, intermediate, and near vision was recorded at 6 weeks and 6 months’ postoperative visit. A subjective questionnaire was administered to assess spectacle independence, photic phenomenon, and overall satisfaction. chinchilla type of beddingWebThe photic sneeze reflex manifests itself in the form of uncontrollable sneezing in response to a stimulus which would not produce a sneeze in people without the trait. The sneezes … chinchilla\u0027s informatie

"WebThe intention is to reduce glare, halos, and other photic phenomena which occur with multifocal IOLs. A possible drawback is decrease in image quality due to aberrations. [20] EDOF IOLs have often been combined with multifocus … " - Photic phenomenon

Photic phenomenon

$Predictive factors for photic phenomena after refractive …$

WebVisual, refractive, and aberrometric outcomes during a 2-month follow-up as well as patient satisfaction and photic phenomena were evaluated by means of a questionnaire. Results: A total of 85% (215/253) and 99% (251/253) of eyes achieved a postoperative (Postop) uncorrected distance visual acuity of 20/16 and 20/20, respectively, and all eyes ... WebNov 26, 2024 · Photic phenomena, spectacle independence, and patient satisfaction. As shown in Table 2, no significant differences were found in terms of photic phenomena, spectacle independence, and overall patient satisfaction between the two groups. Patients in the unilateral group showed similar spectacle independence at far distance, but 5.54% …

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WebApr 13, 2024 · Following the classification of electroclinical phenomena, patients can be classified into five types : Individuals with a photoparoxysmal response on the EEG and …

WebDec 1, 2024 · The reproducibility of photic phenomena with the PPT was assessed in 39 multifocal IOL-implanted eyes of 20 patients and among the examiners. Patients with … WebJun 12, 2024 · Photic Phenomena The susceptibility to photic phenomena was analyzed by recording the retinal light intensity distribution of an extended light source, as described in …

WebNational Center for Biotechnology Information WebApr 7, 2024 · The Bancaud phenomenon refers to the unilateral loss of reactivity of a normal rhythm and initially was described in the context of the alpha rhythm. It should be …

WebConclusion: On multivariate regression analyses, the only predictor of photic phenomena was baseline visual acuity, suggesting that patients that have a better visual acuity before surgery are more demanding regarding visual outcomes after surgery. Keywords: cataract surgery, PanOptix trifocal IOL, predictors of photic phenomena.

WebAug 5, 2024 · Photopsia is an optical phenomenon that sometimes occurs shortly after cataract surgery. In this phenomenon light which is not directly correlated to an object is … grand bonsai ficusWebDec 1, 2011 · Optical side effects are well-documented associated symptoms of visually undesired photic phenomena following an intraocular lens (IOL) implantation surgery. The manifestations of the photic phenomena include transient glare, streaks, arcs, halos, and edge effects and have been collectively described as dysphotopsia. grand book and bible new castle paWebAug 31, 2024 · Under photic phenomena they classified glare, halos, both positive and negative dysphotopsia. The surgical indications for the explantation were blurred vision in 60% of all the eyes, photic phenomena in 57%, photophobia in 9%, loss of contrast sensitivity in 3%, and 29% of the eyes had multiple complains [ 21 ]. chinchilla tyre and batteryWebThe photic sneeze effect has been documented for many centuries. The Greek philosopher Aristotle was one of the first to contemplate this strange phenomenon in 350 BCE, exploring why looking at the sun causes a person to sneeze in The Book of Problems: "Why does the heat of the sun provoke sneezing?" grand bonzaiPhotic phenomena 54% of patients reported not perceiving any type of halo and 30% reported no glare. 23% saw starburst type halos. The remaining 23% reported a classical concentric halo around light sources. Median scores for halo size and intensity were 0 (visual analogous scale) median scores for glare … See more This prospective, non-randomized clinical study was approved by the local Ethics Committee and performed in accordance with the tenets of the … See more The SIFI Mini WELL Ready is a preloaded, single-piece hydrophilic acrylic IOL with a hydrophobic surface. The overall diameter is 10.75 mm with four … See more Two to 4 months after surgery, patients were evaluated for visual acuity, reading performance, contrast sensitivity, photic phenomena and patient satisfaction. In addition to these … See more The same experienced surgeon (G.U.A.) performed all surgeries using topical or general anesthesia. A 12 o’clock clear corneal incision … See more chinchilla und rexkaninchenWebMar 1, 2024 · The Assessment of Photic Phenomena and Lens Effects (APPLES) questionnaire is a 21-item self-rated tool aimed at addressing the frequency and severity of phenomena, including glare, halos, starbursts, hazy vision, blurred vision, distortion in which straight lines look tilted, distortion in which flat surfaces look curved, double vision, color ... chinchilla united methodist churchWebJan 20, 2024 · Photopsia is a photic phenomenon that can be associated with intraocular lenses after cataract surgery. To calculate the relative light intensity of photic effects observed after cataract surgery ... grand bornand esf