Age-related macular degeneration (AMD) is a leading cause of vision loss in patients >50 years old. The hallmark of the disease is represented by the accumulation of extracellular material between retinal pigment epithelium and the inner collagenous layer of Bruch's membrane, called drusen. Although identified almost 30 years ago, reticular pseudodrusen (RPD) have been recently recognized as a ...

in this study, we have investigated the effects of mix of tomato (solanum lycopersicum) & carrot) daucus carota ( and red bell pepper )capsicum annuum( as a natural pigment source and astaxanthin as synthetic pigment sources on the skin colour of cichlid fish (astronotus ocellatus sp., agassiz, 1831), which are generally white with red patches in the dorsal skin. the fish were fed diets con...

regarding to the important of pancreas in the body, this study was carried out on the histologic structure of pancreas of 6 pairs of iranian native turkeys of both sexes, age ranging from 26-30 weeks. routine histological techniques were used and stained by h&e; and masson’s trichrome, gomori’s method for reticulum, verhoeff’s, maldonado’s methods. the pancreas was covered with a thick dense co...

Examination by direct DNA sequence analysis of the X-linked visual pigment genes in 27 males with normal color vision reveals that almost half have two or more different genes encoding a long-wavelength-sensitive cone pigment. This is counter to the conventional theory proposed from results of Southern hybridization studies that there is a single long-wave pigment gene per X-chromosome. Further...

The search for gravitational radiation remains one of the most challenging problems faced by experimental physicists at this present time. One of the most significant limits to the sensitivity of current and planned long-baseline gravitational wave detectors is thermal displacement noise in their test masses and suspensions. Future detectors with higher sensitivities will require optics with bo...

OBJECTIVES To evaluate dermoscopic features in a group of 127 patients with mastocytosis in the skin and to investigate the relationship between different dermoscopic patterns and other clinical and biological characteristics of the disease. DESIGN Clinical and laboratory data were compared among patients with mastocytosis grouped according to the different dermoscopic patterns. SETTING Pat...

Congenital iris ectropion is a rare condition; non-progressive anomaly characterised by the presence of iris pigment epithelium on the anterior surface of the iris stroma and is frequently associated with anterior iris insertion, dysgenesis of the drainage angle and glaucoma. This paper describes unusual case of bilateral case of congenital iris ectropion in adult patient with pupillary abnorma...

Morning glory syndrome is a congenital anomaly of the posterior pole which is characterised by an ectasia of the posterior pole of the fundus involving the optic disc. In addition there is a slightly protruding pigment ring in the peripapillary area, and nonbranching veins protrude in radial formation from the ectasia. Recognition of veins and arteries is always difficult. The peripheral retina...