(a.) Of or pertaining to iridium; -- said specifically of those compounds in which iridium has a relatively high valence.
Example Sentences:
(1) Changes in pupil size indicated a substantial cholinergic effect on the iridal sphincter musculature.
(2) Pigmentations are significantly related to the colour of the iris (visible in 8% of blue irides, against in 40% of brown).
(3) In subjects with light or hazel irides, phenylephrine caused maximal dilatation in 60 to 75 min, mean values being 5.6 mm with 1 drop of 2%, 6.0 mm with 2 drops of 2.5%, and 7.1 mm with 1 drop of 10%.
(4) The effect of desipramine, clonidine, phentolamine, phenoxybenzamine and GD131 on uptake of [(3)H]-NA in isolated irides was determined.3.
(5) The effect in the eye was small at 2 minutes, but at 10 minutes local blood flows in the choroid and the ciliary body were decreased by 50% and the iridal blood flow by 30%.
(6) Furthermore, an uneven distribution of fluorescent nerve fibers was observed within individual irides.
(7) 5HT-positive fibers also penetrated into the irides forming dense networks in the walls of blood vessels and elsewhere in the irides.
(8) In the patients with other types of iridal disorder the endothelial cells were normal in form.
(9) Patients with darker, thicker irides are more prone to have subacute angle-closure glaucoma, which requires gonioscopy and the recognition of subtle details that may be difficult to interpret.
(10) Dogs affected with chronic superficial keratitis (CSK) and clinically normal dogs were tested for cellular hypersensitivity, using the leukocyte migration-inhibition (LMI) technique to 3 ocular antigens (Staphylococcus aureus and corneal and iridal proteins).
(11) The ocular examination reveals a small anterior chamber, sectorial iridic atrophies, a mydriatic pupil, the camerular angle closed.
(12) Surprisingly, a large variation in the amount of vasoactive intestinal polypeptide-positive nerves was seen among irides.
(13) These lesions were most often found in blue irides at the 12 o'clock region.
(14) Isolated rat irides were incubated with [(3)H]-noradrenaline [(3)H-NA] (10(-7)M), superfused with buffer and then stimulated by an electrical field.
(15) At fluorescein angiography (FAG) at a mean of 8 months post-operatively, 9 showed leaking from the iridal vessels, and 3 were normal: Three cases were excluded because of factors affecting the iris FAG.
(16) Eleven pigmented rabbit irides were irradiated with the argon laser and were examined electron-microscopically at several intervals between 15 minutes and 256 days after exposure.
(17) A Thy-1-positive fibre plexus reappeared in intraocular iris transplants after 4 weeks, strongly indicating that Thy-1-immunoreactive fibres in adult mouse irides are associated with the nerve fibres and not with their supportive tissue.
(18) These results indicate that S-Ag and its mRNA accumulate in the irides of some uveitic patients.
(19) Irides of neonates showed scattered, smooth fibres in a sparse plexus, without visible axon bundles.
(20) Obliteration of the ciliary cleft by diffuse iridal melanoma (38 eyes), or other neoplasms (14 eyes), or by the presence of idiopathic lymphocytic-plasmacytic anterior uveitis (53 eyes) were the most frequent lesions likely to explain the development of glaucoma.
Iridious
Definition:
(a.) Of or pertaining to iridium; -- applied specifically to compounds in which iridium has a low valence.
Example Sentences:
(1) This report describes a young high-myopic patient who developed rubeosis iridis with peripheral retinal neovascularization one year after a circular buckling operation.
(2) The relationship between aqueous protein concentration (APC) and pathological changes in the iridial blood vessels was investigated in 49 eyes of 45 diabetic patients who underwent cataract surgery.
(3) It should also be stressed that intravitreal silicone oil suppresses iridial rubeosis or prevents its development.
(4) Chicken erythrocytes, and myxamoebae and plasmodia of Didymium iridis were employed as experimental tissues.
(5) The difference in morphology and staining between pars plicata and iridial processes could indicate a difference in function, e.g.
(6) Histopathological observations showed ischaemic changes in the anterior segment: iris and ciliary body atrophy, cataract formation, rubeosis iridis.
(7) An endothelial cell line established from a rhesus fetal choroid-retina proves to be an effective feeder layer for adult iridial cells.
(8) A case of ocular syphilis with severe ischemic retinopathy, rubeosis iridis and secondary glaucoma is described.
(9) The ultrastructural appearance of rubeosis iridis gives no clue to the underlying etiology and is similar to that reported in rubeosis associated with diabetes mellitus, central retinal vein occlusion, and uveitis.
(10) Twelve eyes (46%) remained with a permanent retinal detachment despite attempts at surgical repair, and eleven of these twelve eyes subsequently developed rubeosis iridis.
(11) The causes of the decrease in central visual acuity were macular edema, neovascularization with vitreal hemorrhage and rubeosis iridis with secondary glaucoma.
(12) The author evaluates the effect of two cryosurgical methods on the development of rubeosis iridis in neovascular glaucoma.
(13) The lowest value of all was found in patients with rubeosis iridis.
(14) An 11-year-old boy had a harelip with cleft palate, heterochromia iridis, blonde fundus on the eye with blue iris, and dystopia canthorum.
(15) These results suggest that breakdown of the blood-retinal barrier contributes to the APC increase in eyes with advanced diabetic retinopathy, and that changes in iridial vessels may mainly influence APC in non- and milder-retinopathy groups.
(16) It's clinical features are facial anhidrosis, ptosis, miosis, and hypochromia iridis of the affected side.
(17) It is stressed that EC-IC bypass surgery should be performed soon after the appearance of ischaemia and before the development of neovascular glaucoma or rubeosis iridis in order to obtain normal vision.
(18) We first performed laser pan-retinal photocoagulation, and at the same time performed occlusion of the major retinal vessels and persistent hypotony to aid for rubeosis iridis.
(19) The blood-aqueous barrier is formed by an epithelial barrier located in the nonpigmented layer of the ciliary epithelium and in the posterior iridial epithelium, and by the endothelium of the iridial vessels.
(20) In conclusion the central role of rubeosis iridis leading to secondary angle closure glaucoma is emphasized.