You searched for "pigment"

3301 results found

Cybersight: Improved Perioperative Management of Cataract Surgery Using OCT Technology Virtual Session

During this live webinar, we will describe the principles and functionality of OCT technology in perioperative management of cataract surgery. Case demonstrations will highlight the use of OCT before and after cataract surgery. Additionally, the use of the latest anterior...

Neovascular AMD: fresh recommendations underline standards of best practice

The management of neovascular age-related macular degeneration (nAMD) has advanced dramatically over the past seven years, with the introduction of targeted new therapies that successfully maintain or improve vision in a majority of affected individuals. It’s a fast moving field,...

Quiz Oct/Nov 2022

History An Afro-Caribbean woman, aged 30, with “scleral tattooing” for cosmetic reasons (subconjunctival dye injection), presented with bilateral upper and lower eyelid oedema for one week, and she also had restricted eye movement and blurry vision in her right eye....

Extraocular muscle OCT

The goal was to evaluate the use of the Heidelberg anterior segment optical coherence tomography (AS-OCT) to image extraocular rectus muscle insertions and to expand the use of the AS-OCT to also image vertical rectus muscles. The authors evaluated inter...

OCT imaging of occluded puncta

This is a description of the use of enhanced depth optical coherence tomography (OCT) to see whether a patent ampulla or canaliculus is detectable in patients with absent or occluded puncta. Nine occluded puncta of six patients with epiphora were...

Laser speckle contrast imaging (LSCI) enables perfusion monitoring of the anterior segment during strabismus surgery: a study on the horizontal rectus muscles

Forty-four eyes with horizontal strabismus surgery involving medial and / or lateral rectus muscle detachment were recruited. The perfusion in the adjacent paralimbal and iris tissue was monitored with LSCI technique, by using a PeriCam PSI NR System. An infrared...

Moorfields: Basic slit lamp and Goldmann tonometry study day - Nov

This study day aims to provide delegates with a comprehensive understanding of the slit lamp anterior segment eye examination and Goldmann tonometry including its history, theory and practical applications.

Surgical correction of involutional lower lid entropion

This is a retrospective comparative study. The authors analyse results of 281 eyelids with involutional entropion operated by two surgeons, 89 treated with buried resorbable imbricating sutures and 192 with non-buried non-resorbable sutures. The horizontal lid laxity was corrected by...

Corneal epithelial thickness values in healthy Turkish children

This study aimed to characterise the normative corneal epithelial thickness profile in healthy Turkish children using anterior segment optical coherence tomography (AS-OCT). This was a retrospective cross-sectional observational study of 86 healthy children aged 7–18 years aged 13.3 ±2.8 years....

The assessment of pupils and 
pupillary reactions

Understanding pupillary reactions is vital in understanding basic neuro-opthalmology. It is a skill required in eye casualty, clinics and perhaps most importantly, exams. To start at the beginning, the pupil is the central aperture of the iris, its size controlling...

Flashes and floaters in community optometry – diagnosing a posterior vitreous detachment

Managing patients who attend a practice with symptoms of flashes and floaters is a regular occurrence in community optometric practice. It’s often very distressing for patients; symptoms can be quite dramatic and an internet search can indicate imminent blindness from...

Aug/Sep 2015 Quiz 2

History A two-year-old female child presented with loss of vision in her left eye. Examination showed leukocoria and intraocular calcification was identified on scanning. The suspected diagnosis was intraocular retinoblastoma and the child underwent an enucleation. The eyeball was submitted...