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Ocular electrophysiology
A 34-year-old woman, who is a CEO in a multinational firm, has been losing vision over the last 12 months. She has seen her opticians, who initially tried different glasses but could not improve things. Clinical examination is unremarkable. How...
IOL power calculation formulas for myopic eyes undergoing cataract surgery after excimer laser
The authors set out to compare the accuracy of four no-history formulas: Barrett True-K, Haigis-L, Shammas-PL, and Triple-S to calculate the intraocular lens (IOL) power in eyes with previous myopic photorefractive keratectomy or laser in situ keratomileusis, according to their...
Evaluation of keratometry with a novel colour LED corneal topographer
The Cassini topographer (i-Optics), which analyses corneal shape based on the reconstruction of specular reflections on 679 coloured LEDs, generates keratometry and is the new machine being compared in this study with other keratometry devices. The prospective comparative study included...
Relationship between nocturnal intraocular pressure elevation and diurnal intraocular pressure level in NTG patients
This group studies Korean normo-tension glaucoma (NTG) patients over a 24-hour period to assess if there was a relationship between nocturnal intraocular pressure (IOP) and diurnal IOP. They have previously suggested differences in diurnal IOP may have varying mechanisms of...Glaucoma UK and The Royal College of Ophthalmologists announce research award 2024
Glaucoma UK and The Royal College of Ophthalmologists are collaborating to run this prestigious award which has previously funded a range of research topics from prospective stem cell treatments to the use of big data in patient risk stratification.Well-presented scholarly research work will reduce chances of journal rebuttal
Submitting to an academic journal? Are you aware of the requirements and constraints of relevant copyright laws? Rod McNeil provides a guide for aspiring authors. Getting published in peer-reviewed academic and medical journals is not easy. But careful attention to...Cataract surgery in uveitis patients
Cataract formation is a common complication of uveitis, causing up to 40% of vision loss in these patients. Cataract results from inflammation +/- corticosteroid therapy and is usually posterior subcapsular, but a small proportion have a rapid increase in nuclear...
Pentacam vs. IOL Master keratometry measurement in IOL power calculations
The IOL Master measures only the anterior corneal curvature and estimates the total corneal power by assuming a fixed relationship between the anterior and posterior corneal surface. The Pentacam measures both the anterior and posterior corneal surface and therefore calculates...
Comparison of corneal deformation parameters in keratoconic and normal eyes
This study set out to compare biomechanical properties between normal and keratoconic eyes. It was a retrospective study evaluating 89 eyes (47 normal, 42 keratoconic) and a validation arm of 72 eyes (33 normal, 39 keratoconic) using a high speed...
