Effect of cataract surgery on aqueous turnover and blood-aqueous barrier. 1995

T Kondo, and T Yamauchi, and A Nakatsu
Department of Ophthalmology, Kobe City General Hospital, Japan.

We evaluated changes in aqueous outflow and blood-aqueous barrier (BAB) disruption after cataract surgery in two randomly selected groups of eyes. In one group, a high-viscosity viscoelastic was used for intraocular lens (IOL) implantation; in the other, a low-viscosity viscoelastic. Fluorophotometry was used to evaluate aqueous humor dynamics five to seven hours after IOL implantation. Aqueous outflow after IOL implantation in operated eyes was nearly twice that in the fellow eyes, which served as controls. Mean protein concentration in the anterior chamber was also elevated in operated eyes. However, postoperative aqueous outflow did not differ significantly between the two groups. The substantial increase in aqueous outflow observed postoperatively and the increase in aqueous humor protein concentration were closely related to BAB disruption. These results suggest that BAB disruption may be a main cause of the transient high intraocular pressure observed after IOL implantation in both groups.

UI MeSH Term Description Entries
D007429 Intraocular Pressure The pressure of the fluids in the eye. Ocular Tension,Intraocular Pressures,Ocular Tensions,Pressure, Intraocular,Pressures, Intraocular,Tension, Ocular,Tensions, Ocular
D007910 Lenses, Intraocular Artificial implanted lenses. Implantable Contact Lens,Lens, Intraocular,Contact Lens, Implantable,Intraocular Lens,Intraocular Lenses,Lens, Implantable Contact
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D002387 Cataract Extraction The removal of a cataractous CRYSTALLINE LENS from the eye. Enzymatic Zonulolysis,Phakectomy,Cataract Extractions,Enzymatic Zonulolyses,Extraction, Cataract,Extractions, Cataract,Phakectomies,Zonulolyses, Enzymatic,Zonulolysis, Enzymatic
D005136 Eye Proteins PROTEINS derived from TISSUES of the EYE. Proteins, Eye
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006820 Hyaluronic Acid A natural high-viscosity mucopolysaccharide with alternating beta (1-3) glucuronide and beta (1-4) glucosaminidic bonds. It is found in the UMBILICAL CORD, in VITREOUS BODY and in SYNOVIAL FLUID. A high urinary level is found in PROGERIA. Amo Vitrax,Amvisc,Biolon,Etamucine,Healon,Hyaluronan,Hyaluronate Sodium,Hyvisc,Luronit,Sodium Hyaluronate,Acid, Hyaluronic,Hyaluronate, Sodium,Vitrax, Amo

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