You searched for "epithelium"
Troubleshooting in LASIK
Contemporary laser in situ keratomileusis (LASIK) is safe and effective. It remains the dominant intervention in routine refractive surgery for a good reason: predictable results, rapid visual recovery, and relatively simple strategies for revision treatment. Over 95% of patients are...
Autophagy in lens mitochondria loss
The lens consists of a monolayer of epithelial cells that overlies fibre cells that differentiate from epithelial cells at the equator. While developing, fibre cells need mitochondria to provide energy, as they mature they lose these and other organelles to...
MicroRNAs in cataract
In an ageing population cataract formation is one of the leading causes of blindness. Cataracts are caused by a failure to clear accumulating aggregated proteins in the lens. MicroRNAs are small non-coding transcripts which bind to specific mRNAs acting at...
Limbal melanocytes and the stem cell niche
The cornea is continually regenerated to maintain clear vision, due to a population of stem cells located in the limbal region between the cornea and the conjunctiva. These limbal stem cells (LESC) reside in crypts in structures called the Pallisades...Quiz Apr/May 2023
History A 76-year-old female presented at her local district general hospital with right decreased visual acuity, glare, and foreign body sensation, in addition to longer-term dry eyes. She was otherwise well. Her past medical history included hypertension. On examination: vision...
Long-term corneal crosslinking results in paediatric eyes
This prospective longitudinal study examined patients 18 years of age or less with progressive keratoconus, who underwent corneal crosslinking and completed 10 years of follow-up. Crosslinking protocol involved removal of epithelium, 10 minutes of riboflavin soaking, followed by 30 minutes...
Myopic choroidal neovascularisation
This is a review article summarising the latest myopic CNV (choroidal neovascularisation) literature in the clinical experience and management outcomes for recommendation algorithm. The aetiology of the myopic CNV was discussed by the authors under the heading of the heredo-degenerative...
Investigation into the anatomical differences of eyelashes between Caucasian and Indian specimens
This study investigated the anatomy of human eyelashes through analysis of root depth, angle, and spatial relationship. Four eyelids from Caucasian donors were obtained from fresh donors and four eyelids from Indian donors were obtained from eye bank calls. The...Apr/May 2017 Quiz
History A five-month-old baby was seen in clinic with bilateral congenital corneal opacities. The right cornea is shown in Figure 1. Figure 1. Examination revealed corneal oedema and opacities of Descemet’s membrane and endothelium with a few vesicular lesions. Corneal...
Ranibizumab for the treatment of age-related macular degeneration
This multicentre randomised prospective open label study compared 0.5 versus 2mg of ranibizumab in patients with submacular retinal pigment epithelial (RPE) detachment due to age-related macular degeneration. Four treatment regimens were used for the two strengths either monthly for 12...
