Titlebook: Vitreoretinal Surgery; Thomas H. Williamson Textbook 2021Latest edition The Editor(s) (if applicable) and The Author(s), under exclusive l

裂縫

Principles of Internal Tamponade, is highly soluble and passes rapidly through the lungs, blood and into the eye, causing the SF. gas bubble to enlarge within the eye. For this reason, after a vitrectomy SF. and perfluoro propane (C.F.) must be mixed with air to prevent a volumetric increase, which would then cause a rise in intraocular pressure.

蝕刻術(shù)

Vitreous Haemorrhage,the test chart through a clear section of vitreous before the opacified vitreous obscures the vision again. The haemorrhage may be situated in the gel of the vitreous (intragel) or behind a detached gel (retrohyaloid). There may be haemorrhage in the sub ILM, subretinal or suprachoroidal spaces depending upon the aetiology (Fig. 6.1).

CLIFF

Rhegmatogenous Retinal Detachment 1,tween the original layers of the embryonic optic cup. The incidence is approximately 10/100,000 [1] and presentation is more common in affluent populations and possibly males. Black races are probably less affected than white [2].

有機(jī)體

Trauma,ved [2]. Incidence has been estimated as 3:10000 of the population [3, 4]. Severe injuries account for 5% of all eye injuries [5]. Aetiology is variable but certain associations are common, e.g. assault, sport, children at play, road traffic accidents, industrial, domestic and war injuries [6–9].

壕溝

ommon vitreoretinal surgical procedures in a step-by-step ma.This is the third edition of a highly successful textbook that in many areas has become the preferred book of vitreoretinal surgery. It provides a complete guide to all common vitreoretinal surgical procedures and also covers diagnosis and

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Digest

Anatomy and Clinical Examination of the Eye, (both of which have an ectodermal origin). During the third month of gestation, the primary vitreous gradually loses its vascularity and is replaced by the secondary vitreous derived mainly from the anterior retina and ciliary body. The principal remnants of the primary vitreous are Cloquet’s canal

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Posterior Vitreous Detachment,atures apparent in childhood gradually disappear as degeneration causes syneresis, lacuna (cavity) formation and collapse of the vitreous gel. The collagen fibrils disintegrate and aggregate giving rise to symptomatic floaters [1, 2]. There is a loss of sodium hyaluronate [3] and an increase in vitr

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