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Cellular therapy of the corneal stroma: Real approach or science fiction?The first human clinical trial to preliminarily evaluate the safety and efficacy of cellular therapy with mesenchymal stem cells for the corneal stroma has shown promise.
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Accommodative intraocular lenses: Are they coming back?A resurgence in this IOL technology could create new possibilities in refractive correction
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Per aspera ad astra – Through hardships to the starsAccording to the latest data by the World Health Organization, there are approximately 36 million blind people in the world, and the numbers keep growing due to increasing population sizes in developing countries and rising life expectancies in developed nations.
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Corneal mechanical sensitivity in individuals with chronic painEvidence shows that higher corneal sensitivity may be associated with pain phenotypes, such as the presence of chronic pain involving the trigeminal system.
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The “black box” of artificial intelligence in ophthalmologyMaking the most of AI means letting go of fear, says Editorial Advisory Board member Johan Blanckaert, MD
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12-month results with small-aperture IOL providing patients with an extended range of visionThe IC-8 IOL (AcuFocus) is one of the new class of extended-depth-of-focus (EDOF) IOLs that is definitively altering the landscape of cataract surgery in Europe and around the world. Whereas monofocal and multifocal lenses have one or two distinct focal points, an EDOF-IOL creates one elongated focal point, though each lens does so in a different way.
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Confocal scanner gives ophthalmologists valuable new toolMost ocular structures become luminescent for a short time when exposed to a light source of appropriate wavelength; this phenomenon is known as autofluorescence (AF). AF is due to the presence of fluorescent substances called fluorophores.
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Confocal scanner gives ophthalmologists valuable new toolMost ocular structures become luminescent for a short time when exposed to a light source of appropriate wavelength; this phenomenon is known as autofluorescence (AF). AF is due to the presence of fluorescent substances called fluorophores.
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Defining dysfunctional lens syndromeRose is a rose is a rose is a rose--a line written (1913) by Gertrude Stein and its variations in a famous quotation are often interpreted as meaning “things are what they are--makes a statement of the law of identity, and in the post-factum age is ever more meaningful. An ophthalmologist could as well write: “Cataract is a cataract is a cataract is a cataract,” ICD-10 Code H25.0 for the diagnosis “Cataracta senilis incipiens” in its earliest stage and notably with a surgical history of more than 2,500 years.
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Optogenetics approach could restore visual function in retinitis pigmentosaCompanies are exploring light-sensitive proteins method in patients with advanced disease.
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Experience with a preassembled silicone I/A tip during cataract surgeryEvery ophthalmologist requires precise surgical tools with which he or she can perform surgery safely and accurately in order to ensure optimal outcomes. The availability of high-quality microsurgical instruments has increased over the past decade with manufacturers continually modifying and optimising existing instruments.
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Adopting a multidiagnostic method for characterising the anterior segmentA multidiagnostic device is able to provide consistent measurements of refraction and ocular aberrations in healthy eyes. The consistency of refractive measurements is not dependent on the magnitude of the refractive error, with the same precision ability for moderate to high myopia and for hyperopia.
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How to improve IOL power calculations in keratoconusOne source of error in IOL power calculation is the use of the classical keratometric approach for the characterisation of the corneal optics. This approach is based on the assumption of only one corneal surface and a fictitious index of refraction (keratometric index, nk) for obtaining an estimation of the corneal power (Pk).
Latest:
Adopting a multidiagnostic method for characterising the anterior segmentA multidiagnostic device is able to provide consistent measurements of refraction and ocular aberrations in healthy eyes. The consistency of refractive measurements is not dependent on the magnitude of the refractive error, with the same precision ability for moderate to high myopia and for hyperopia.
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Long-term observation of SMILE gives better myopia prognosisLong-term observation of SMILE reveals high stability at various degrees of correction of myopia. This allows surgeons who apply this method of treatment to give patients a long-term prognosis.
Latest:
Adopting a multidiagnostic method for characterising the anterior segmentA multidiagnostic device is able to provide consistent measurements of refraction and ocular aberrations in healthy eyes. The consistency of refractive measurements is not dependent on the magnitude of the refractive error, with the same precision ability for moderate to high myopia and for hyperopia.
Latest:
Long-term observation of SMILE gives better myopia prognosisLong-term observation of SMILE reveals high stability at various degrees of correction of myopia. This allows surgeons who apply this method of treatment to give patients a long-term prognosis.
Latest:
Adopting a multidiagnostic method for characterising the anterior segmentA multidiagnostic device is able to provide consistent measurements of refraction and ocular aberrations in healthy eyes. The consistency of refractive measurements is not dependent on the magnitude of the refractive error, with the same precision ability for moderate to high myopia and for hyperopia.
Latest:
Adopting a multidiagnostic method for characterising the anterior segmentA multidiagnostic device is able to provide consistent measurements of refraction and ocular aberrations in healthy eyes. The consistency of refractive measurements is not dependent on the magnitude of the refractive error, with the same precision ability for moderate to high myopia and for hyperopia.
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Touch-up techniques following SMILEResearch shows that enhancement rates after LASIK range from approximately 7.8% to 20%, with regression of approximately 1 diopter after 10 years.
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Epithelial thickness mapping in the care of refractive surgery patientsCorneal epithelial thickness mapping may become an easy and objective tool in the diagnosis of biomechanically unstable corneas and perhaps a multitude of anterior segment disorders.
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How to improve IOL power calculations in keratoconusOne source of error in IOL power calculation is the use of the classical keratometric approach for the characterisation of the corneal optics. This approach is based on the assumption of only one corneal surface and a fictitious index of refraction (keratometric index, nk) for obtaining an estimation of the corneal power (Pk).
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Exploring safety, efficacy of high-intensity focused ultrasound in glaucomaHigh-intensity focused ultrasound cyclocoagulation is safe and effective in most refractory glaucomatous eyes. Complete success was achieved in 80% (24/30) of treated eyes that had undergone the maximum of three procedures.
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Exploring safety, efficacy of high-intensity focused ultrasound in glaucomaHigh-intensity focused ultrasound cyclocoagulation is safe and effective in most refractory glaucomatous eyes. Complete success was achieved in 80% (24/30) of treated eyes that had undergone the maximum of three procedures.
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MICS & MIGS: combined surgery with microstent devicesThe combination of MICS and MIGS can offer an effective surgical treatment for POAG when the reduction of IOP following cataract surgery alone is not sufficient to reduce a patient’s need for glaucoma therapies.
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Reducing posterior capsular ruptureRounded phaco tips reduce the risk of posterior capsule rupture, increasing the safety of phacoemulsification. The Dewey Radius Tip, which is used exactly like a sharp-edged phaco needle, has rounded edges. This reduces the risk of posterior capsule rupture during cataract surgery.
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Advancing diagnostics and detection of neovascular age-related macular degenerationEarly detection and treatment is essential to preserve vision in patients with age-related macular degeneration. A new device, the ForeseeHome®, uses preferential hyperacuity perimetry for early detection of choroidal neovascularisation before symptoms develop.
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Latest concepts in steroid therapy for diabetic macular oedemaSteroids are an important second-line treatment for the treatment of diabetic macular oedema. While side effects remain a concern, modern formulations of intravitreal steroid allow the treatment to be tailored to the individual patient.
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Real-world strategies for wet AMDIn many clinical areas, early consultant-led intervention has been shown to improve clinical and patient-reported outcomes and to reduce overall treatment costs. This paper reconfirms this finding in the treatment of wet age-related macular degeneration (wet AMD) and presents data from a publicly funded NHS fast-track (FT) centre in north-west England that aims to see and treat patients within 48 hours of referral.
