Archive for the '4.1 The eyes' Category

Uveitis and iritis

Signs and symptoms: – A painful red eye. – Blurred vision. – Tearing eyes. – Seeing black spots or streaks in the image. – Hypersensitivity to light. – Reduction of vision in one or both eyes. What is uveitis? Uveitis literally means inflammation choroid (uvea and choroid has been itis inflammation) is the collective name [...]

orbital inflammation

Signs and symptoms:  - Red, sensitive eyes. – The skin around the eye is affected. – Unusual position of the eye. – The swelling is often so large that the eye is still limited move. – Decreased vision. – Usually the one eye. – Spontaneous fever. – General malaise. What is orbital cellulitis? Orbital cellulitis [...]

Retinoblastoma

Signs and symptoms: – Strange discoloration of the eye or the pupil. – Strabismus of an eye. – Red, painful eye. – A reflective eye (cat). – A reduced vision. – Bleeding in the eye. – White spots on the iris. What is retinoblastoma? Retinal blastoma is a malignant, dangerous tumor (a tumor is an [...]

eye melanoma

Signs and symptoms: – Vaguely look like. – Seeing spots or flashing lights. – The field is smaller. – A brown or black spot in the iris or conjunctiva. – A rainbow color difference between the membranes of both eyes. What is melanoma? A melanoma is a cancer that arises from the cells that make [...]

Abnormalities of the cornea

The cornea (cornea) is the transparent part of the exterior of the eye where the light falls inside. The function of the cornea, in cooperation with the lens to ensure that the images we see, the focus on the retina appear to get. These images are then transmitted from the retina to the brains, where [...]

Injury or damage to the cornea

Signs and symptoms: – Severe pain in the eye (especially the flash). – Red eyes. – Tearing eyes. – Photophobia. – For large wounds, may also face reduced field. – Eyelids are swollen. A superficial corneal damage is frequent, this injury to the cornea (cornea) is also called corneal erosion. With this injury, the wound [...]

Infections of the cornea

Signs and symptoms: – Painful eye. – Redness of the mucosa. – Lacrimation. – Photophobia (photophobia). – A visible white spot on the cornea. – Reduction of vision. Normally the cornea protects against infection by various mechanisms, such as by blinking the eyes, the tears that waste products washed away in tears contain substances with [...]

Impaired vision

Visual disturbances, visual disturbances sometimes referred to in various parts of the eye can occur. In some cases, the disorder caused by a change in refractive power (refraction), for example when there is an abnormal shape of the cornea (cornea) or muscle disorders. Also, a visual defect caused by an injury, this injury can occur, [...]

Color-blindness

Signs and symptoms: – Colors can not fully perceive. Sometimes different colors observed. – Do not distinguish between certain colors. – In very rare cases, all in shades of gray observed Color vision disorders, color blindness also called green-blindness. This eye condition can not be completely normal color perception. Although most people speak of color, [...]

Glaucoma

Signs and symptoms: – Increased pressure in the eyeball. – Damage to the optic nerve and nerve fibers. – Loss of vision (blind spots). – Decreased in the worst case can lead to blindness. The eye disease glaucoma, also known as glaucoma is a disease of the eye, damage to the optic nerve and nerve [...]

acute glaucoma

Signs and symptoms: – Blurred vision. – Red eyes. – Tearing eyes. – Violent pain in and around the eye. – Sensitivity to bright light. – Light Wreaths around lights. – A hard and sensitive eyeball. – Quick visual loss. – Headache. – Nausea and vomiting. The narrow or closed angle glaucoma, can be divided [...]

Chronic glaucoma

Signs and symptoms: – Reduction of the visual field. – The edges of the phasing out of vision (peripheral vision). As a result, you can call into things. – Cloudy seeing objects straight ahead. Unlike the acute form, it takes the chronic form of a narrow or closed angle glaucoma is usually years before finally [...]

Cataract

Signs and symptoms: – Decreased or blurred vision. – Blurred or distorted vision. – Color changes, objects appear reddish or yellowish. – Reduced visual acuity ‘s in the dark and very bright light. – Burden of blindness and glare. – A temporary improvement in visual acuity (without glasses to read again). This occurs quite often [...]

Macular degeneration

Signs and symptoms: – The central vision deteriorates .. From bad to look at old age is the most common cause of macular degeneration. The macula (the Latin word for “place”) is the central part of your retina. Central vision for sharp vision and makes it possible that you can observe fine details. In the [...]

Retinal detachment (Ablatio Retinae).

Signs and symptoms: – The sudden sight of flashing lights. – Clouding (The sight of dark particulate matter in the form of strings, dots or spots). – Blurred vision. – Loss of vision. – Reduced visibility The retina (retinal) forms the inner lining of the eye. The retina is a thin, transparent membrane which include [...]

Closure of the retinal vessels

Signs and symptoms: – Sudden blurred vision to see if it falls completely or in part in the total field of an eye. You can use the retina (retinal) is actually like a film in a camera, the images of the outside world that the cornea and lens onto the retina project, if it were [...]

Inflammation of the optic nerve

Signs and symptoms: – The sudden blurred to see in one eye and sometimes in both eyes. – The vision is in a period of one to two weeks to gradually deteriorate. – The colors are softer and the contrast is less. – Pain when moving the eye. – Some minor flickering or seeing stars. [...]

Coloboma

Klachten en verschijnselen: (afhankelijk van de plaats en omvang van de coloboom). -         Een defect in de iris, de lens, het netvlies, het ooglid of de oogzenuw. -         Alleen nog maar grote voorwerpen of fel licht kunnen waarnemen. -         Gedeeltelijk of geheel verloren gezichtsvermogen in één of beide ogen. -         Scheelheid. -         Onwillige oogbewegingen. -         [...]

Inflammation of the choroid

Signs and symptoms: – A painful red eye. – Blurred vision. – Reduction of vision in one or both eyes. – Seeing black spots or streaks in the image. The choroid (choroidal) is a dense network of blood vessels that mainly exists between himself and the retina (retinal) and the hard sclera (sclera) is. The [...]