Photophobia, or light sensitivity, is an intolerance of light. Sources such as sunlight, fluorescent light and incandescent light all can cause discomfort, along with a need to squint or close your eyes. Headaches also may accompany light sensitivity. Light-sensitive people sometimes are bothered only by bright light.

What is the medical term for an unusual intolerance and sensitivity to light that occurs in such disorders as meningitis eye inflammation measles and rubella?

What is encephalitis? Encephalitis is inflammation of the active tissues of the brain caused by an infection or an autoimmune response. The inflammation causes the brain to swell, which can lead to headache, stiff neck, sensitivity to light, mental confusion and seizures.

What is Dacryadenalgia?

n. Pain in a lacrimal gland.

What involves excessive intraocular pressure caused by a failure?

Glaucoma refers to a collection of diseases whereby increased intraocular pressure adversely impacts the optic nerve, and subsequently, the visual field.

What is a severe congenital deficiency in color perception called?

People who are totally color deficient, a condition called achromatopsia, can only see things as black and white or in shades of gray. Color vision deficiency can range from mild to severe, depending on the cause. It affects both eyes if it is inherited and usually just one if it is caused by injury or illness.

What causes meningoencephalitis?

Meningoencephalitis can be caused by bacteria, viruses, fungi, and protozoan or as secondary sequel of other inflammations like AIDS. The viral or aseptic meningoencephalitis is mainly caused by enteroviruses, varicella鈥恴oster viruses, herpes simplex viruses, or measles viruses.

What meningitis means?

Meningitis is an inflammation (swelling) of the protective membranes covering the brain and spinal cord. A bacterial or viral infection of the fluid surrounding the brain and spinal cord usually causes the swelling.

What medical term is a synonym for Ophthalmodynia?

TERMINOLOGY. In the past, primary (or idiopathic) stabbing headache has been known by several terms, including ice-pick headache, ophthalmodynia periodica, and jabs and jolts syndrome.

What medical term best describes pain from nerve compression?

Radiculopathy describes a range of symptoms produced by the pinching of a nerve root in the spinal column. The pinched nerve can occur at different areas along the spine (cervical, thoracic or lumbar). Symptoms of radiculopathy vary by location but frequently include pain, weakness, numbness and tingling.

What does the combining form phac o mean?

Phac/o = Crystalline lens. Phac/o/cele: Dislocation of the lens. Phacos = lentil. Lentils have a biconvex shape just like the. crystalline lens of the eye.

Which is an accurate clinical manifestation of a retinal detachment?

Clinical manifestations

The warning signs of retinal detachment include the sudden appearance of floaters鈥攕mall specks that seem to drift through the visual field, flashes of light in one or both eyes, blurred vision, gradually reduced peripheral vision, or a shadow over the visual field.

What are the common causes of secondary glaucoma select all that apply?

Causes of secondary glaucoma

Inflammation of the uvea (uveitis), diabetes, high blood pressure and certain medications 鈥 most commonly steroids 鈥 also can affect the eye’s ability to drain properly. Secondary glaucoma can be sudden or gradual, depending on its underlying cause.

What is the term for the inward deviation of an eye that occurs only when the eye is covered?

Esotropia is a condition where one or both eyes turn inward.

What is colour vision test?

A color vision test, also known as the Ishihara color test, measures your ability to tell the difference among colors. If you don’t pass this test, you may have poor color vision, or your doctor may tell you that you’re color blind.

What is Ishihara eye test?

Ishihara color test.

This checks for red-green color blindness. The doctor will ask you to look at a series of circles (also called plates) with dots of different colors and sizes. Some of the dots form shapes or one- or two-digit numbers.

What causes color changes in vision?

Diseases. Some conditions that can cause color deficits are sickle cell anemia, diabetes, macular degeneration, Alzheimer’s disease, multiple sclerosis, glaucoma, Parkinson’s disease, chronic alcoholism and leukemia.

What is Postinfectious encephalomyelitis?

Acute disseminated encephalomyelitis, also known as post-infectious encephalomyelitis, is an acute central nervous system demyelinating disorder which typically follows an autoimmune response secondary to a post-viral infection/syndrome.

What are the symptoms of a brain infection?

headache 鈥 which is often severe, located in a single section of the head and cannot be relieved with painkillers. changes in mental state 鈥 such as confusion or irritability. problems with nerve function 鈥 such as muscle weakness, slurred speech or paralysis on one side of the body. a high temperature.

What are the symptoms of autoimmune encephalitis?

Common symptoms include:
Impaired memory and understanding.Unusual and involuntary movements.Involuntary movements of the face (facial dyskinesia)Difficulty with balance, speech or vision.Insomnia.Weakness or numbness.Seizures.Severe anxiety or panic attacks.

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