The word “uvea” is derived from Latin word “uva” which means grapes. If we remove sclera and observe the eye then its choroid appears to be grape shaped structure. Coats of the eyeball The eyeball has three coats: Uveal tract The uvea or uveal tract is the middle layer of the eyeball. It is highly…
Mid Atlantic Retina in Philadelphia is the leading and one of the top world class retina center with best leading team of retina specialists that one can ask for. The reliability of their doctors immensely increases when one get to know that they have been the ophthalmologists for Philadelphia Sixers. Their physicians have been named as…
The oden’s eye makeup kits are totally recommended by SkinSAFE. SkinSAFE is created by the Myo Clinic dermatologist to study and publish results and reviews about the cosmetics. They guide about the skincare and cosmetic products which are free from common health hazard chemicals. According to the it, Oden’s eye cosmetics are 100 percent skin…
It is said that there is more anatomy in per cubic centimeter in the orbit of eyeball than anywhere else in the body. But all we need is better explanation and easy way to grasp the knowledge to apply in the medicine. Lets discuss about the extraocular muscles and the movements they cause There are…
Diabetic retinopathy stages The diabetic retinopathy is classified on the basis of well-marked photographs described by EDTRS (Early Treatment Diabetic Retinopathy Study). On the basis of presence or absence of neovascularization, it is divided into two types: Non-proliferative diabetic retinopathy (NPDR) stages Mild NPDR In this type, the entire fundus seems normal but there are…
Hypermetropia Hypermetropia or hyperopia is the type of refractive error in which the image of the object is formed behind the retina. It is also known as farsightedness. The people who have hyperopia cannot see distant objects if their accommodation is at rest. However they can see far if their lenses accommodate to make the…
Chart test One of the most common in practice astigmatism test is the one in which patient is given a chart with radiating lines of equal length in a hemisphere as given below in the picture. Now close one of your eyes and focus on the lines on the chart. If the lines in any…
Cycloplegia is a phenomenon that occurs in the eyes when we treat them with cycloplegics. It is the paralysis of ciliary muscles of the eyes. The pupil also dilates in this phenomenon in most cases. How ciliary muscles work? In cycloplegia, there occurs the paralysis of ciliary muscles. Well lets understand the working of ciliary…
Retina is the innermost layer of eye. Beneath retina there is vitreous humor of the eye. Beneath choroid there is retina. There are 10 layers of retina. Retina has 2 parts. One is the pigmented part and the other one is neural part of retina: To grab the knowledge thoroughly it should always be in…
Our color vision is our response to wavelengths. Before understanding trichromatic theory of color vision, let’s make things more understanding. What is color? Is this light? Is this present in objects? Consider you hold a single color piece of cloth. It is of green color. Is light reflected by the cloth is green? Well the…
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