You searched for "acuity"
The effect of caffeine on pupil size and accommodation
Twenty-two young and healthy participants were recruited in this study. The authors showed that pupil size increased as a result of caffeine consumption. A more stable (lower variability of accommodation) accommodative response (AR) was induced by caffeine intake, whereas the...
Migraine attack: does retinal and peripapillary blood flow change?
This prospective clinical study compared retinal and peripapillary blood flow parameters in migraine patients during an attack with healthy controls using optical coherence tomography angiography (OCTA). OCTAs were performed on 52 eyes from 26 migraine sufferers and 48 eyes from...
Migraine and risk of retinal artery occlusion
This retrospective cohort study assessed whether migraine was associated with an increased risk of retinal artery occlusion. They reviewed a large insurance database of 418,965 patients who suffered with migraines between 2007 and 2016. These were then matched with an...
Would automated pupillometry be a useful addition when assessing acute vision loss?
The authors present a two-part study, the first part being an electronic survey of ophthalmologists and optometrists to identify barriers to the routine clinical use of automated pupillometry and the second, a clinical study comparing the swinging light tests and...
Accuracy of AS-OCT muscle insertion measurements
Anterior segment - optical coherence tomography (AS-OCT) is a non-contact imaging method that can provide accurate measures of extraocular muscles to limbus insertion distances. The authors evaluated the accuracy of AS-OCT for locating horizontal extraocular muscle insertions after strabismus surgery...
Amniotic membrane transplantation for SJS/TEN
This is a retrospective study of consecutive patients who underwent amniotic membrane transplantation (AMT) in the acute stage of Stevens-Johnson syndrome (SJS) / toxic epidermal necrolysis (TEN) from Toronto, Canada, between 2009 and 2018 and had more than three months...
Lagophthalmos as a potential complication of COVID-19
Lagophthalmos is a condition associated with the inability to close the eyelids effectively, with the main cause being facial nerve palsy. The authors aimed to investigate whether lagophthalmos was associated with coronavirus infection (COVID-19) by comparing patients diagnosed with lagophthalmos...
Accuracy of ASOCT muscle insertion measurements
Anterior segment optical coherence tomography (ASOCT) is a non-contact imaging method that can provide accurate measures of extraocular muscles to limbus insertion distances. The authors evaluated the accuracy of ASOCT for locating horizontal extraocular muscle insertions after strabismus surgery in...
Occult central retinal artery occlusion
Central retinal artery occlusion (CRAO) is a sight-threatening condition resulting from occlusion of the central retinal artery and hypoperfusion of the inner retina. Early on, fundal examination may be normal. The authors present a retrospective case series of 11 patients...
Care journeys of patients with central retinal artery occlusion
The authors present a retrospective case note review of all adult patients referred for or diagnosed with central retinal artery occlusion (CRAO) to a single tertiary hospital over a 10½ year period. A total of 181 patients were included in...
Outcomes of adult new-onset strabismus presenting acutely
This study evaluated causes, neuroimaging rates and results, and clinical courses of adults presenting to an ophthalmology emergency department with diagnosis of new-onset strabismus. This was a retrospective study of 557 adults (54.8% male) with mean age of 57.3 ±16.7...
