Episclera and Sclera
Episcleritis Simple episcleritis Diagnosis ◾ Presentation : acute onset of redness and mild discomfort. ◾ Signs : hyperaemia may be sectoral (typically interpalpebral; Fig. 9.1A ) or diffuse. Fig. 9.1…
OPHTHALMOLOGY
Corneal and Refractive Surgery
Keratoplasty Introduction ◾ Classification : (a) partial (anterior or posterior lamellar), (b) full-thickness (penetrating). ◾ Indications : (a) optical, (b) tectonic, (c) therapeutic, (d) cosmetic. ◾ Donor tissue : should…
Lacrimal Drainage System
Anatomy The lacrimal drainage system consists of: (a) puncta, (b) canaliculi, (c) lacrimal sac, (d) nasolacrimal duct ( Fig. 3.1 ). Fig. 3.1 Anatomy of the lacrimal drainage system. (From…
Risk Factors for Glaucoma Drainage Device Revision or Removal Using the IRIS Registry
PURPOSE To elucidate risk factors for revision or removal of glaucoma drainage devices (GDD) in glaucoma patients in the United States. DESIGN Retrospective cohort study. METHODS IRIS Registry (Intelligent Research…
Prevalence of the Infantile Strabismus Complex in Premature Children With and Without Periventricular Leukomalacia
Purpose To determine whether rates of strabismus and associated visuomotor deficits differed among children with different severities of periventricular leukomalacia (PVL). Design Retrospective, case-control study. Methods Brain magnetic resonance images…
Pigmented posterior lenticonus in unilateral development cataract
BRIEF SUMMARY STATEMENT This is a rare case of unilateral developmental cataract characterized by posterior lenticonus with pigment inside the lens capsule. CASE REPORT A ten-year-old boy presented with progressive…
Atypical conjunctival hyaline deposition in a case of granular corneal dystrophy type 2
A 43-year-old woman diagnosed with granular corneal dystrophy (GCD) type 2 on the basis of bilateral granular deposition in the corneal stroma ( Fig. 1 A) and the detection of a…
Personalized Model to Predict Keratoconus Progression From Demographic, Topographic, and Genetic Data
PURPOSE To generate a prognostic model to predict keratoconus progression to corneal crosslinking (CXL). DESIGN Retrospective cohort study. METHODS We recruited 5025 patients (9341 eyes) with early keratoconus between January…
