What Is Night Blindness? Night blindness is a visual defect caused by lack of rhodopsin in the rods of the retina located in the back of the eyeball due to inadequate vitamin A. Q: How does inadequate vitamin A cause ...
Read More »Keratomalacia
What Is Keratomalacia? Keratomalacia is a severe non-inflammatory eye condition characterized by a hazy, dry cornea that becomes softened and denuded (loss of protective layer), which when liquified is then irreversibly destroying the eyeball and causing blindness. The conjunctiva and ...
Read More »Blurred Vision, Unexplained
What Is Unexplained Blurred Vision? Unexplained blurred vision is unclear or distorted vision that is not caused by allergy, poor refraction (eye test), medication side effects, metabolic disorders, or defects in any part of the eyeball, optic nerve, or in ...
Read More »Irritability
What Is Irritability? Irritability is a mental state characterized by negativity and excessive response to annoyance. Irritability can be a feature of many diseases, malnutrition, and side effects of certain prescribed medications and over the counter drugs. What Is Irritability In Celiac Disease ...
Read More »Occipital Lobe Epilepsy With Cerebral Calcifications
What Is Occipital Lobe Epilepsy With Cerebral Calcifications? Occipital lobe epilepsy with cerebral calcifications is a seizure disorder that develops from calcium deposits in the brain. This condition is characterized by repetitive abnormal electrical discharges within the brain that may ...
Read More »Epilepsy (Convulsions)
What Is Epilepsy? Epilepsy is a dysfunctional disorder of the brain characterized by recurring seizures also called convulsions. Q: What happens in a seizure? A: During a seizure abnormal electrical discharges occur within the brain. Not all seizures have the same intensity ...
Read More »Cortical Calcifying Angiomatosis
What Is Cortical Calcifying Angiomatosis? Cortical calcifying angiomatosis is a cortical vascular (brain blood vessel) abnormality that is characterized by calcification of blood vessels and is usually present in the parietal or occipital cortical and subcortical regions of the brain.1 ...
Read More »Brain Blood Flow Abnormalities
What Are Brain Blood Flow Abnormalities? Brain blood flow abnormalities, or cerebral perfusion abnormalities, such as spasm of blood vessels causing inadequate blood flow to the brain, are characterized by impaired brain function and thinking. Q: What is cerebral perfusion? A: ...
Read More »Brain Atrophy
What Is Brain Atrophy? Brain atrophy is a degenerative condition of the brain characterized by loss of brain tissue, causing the brain to shrink. Q: How does loss of brain tissue affect the body? A: Loss of brain tissue will ...
Read More »Ataxia, Gluten
What Is Gluten Ataxia? Gluten ataxia is a degeneration of the cerebellum (lower brain) caused by an immune reaction to gluten that is characterized by positive anti-gliadin antibodies, motor abnormalities including upper or lower limb ataxia, gait ataxia, and dysarthria ...
Read More »Ataxia, Gait
What Is Gait Ataxia? Gait ataxia is a cerebellar (lower brain) disorder characterized by defective muscular coordination of skeletal muscles used for locomotion (walking). Q: What is defective muscle coordination for walking? A: The cerebellum does not initiate movements but ...
Read More »Lymphomas, Extraintestinal
What Are Extraintestinal Lymphomas? Extraintestinal lymphomas (non-Hodgkin’s) are malignancies that arise in peripheral lymphatic tissue outside the intestinal tract from B-cell and T-cell lymphocytes. Q: What is peripheral lymphatic tissue? A: Peripheral lymphatic tissue includes lymph vessels, lymph, lymph nodes, and ...
Read More »Celiac Disease, Refractory
What Is Refractory Celiac Disease? Refractory celiac disease, formerly called refractory sprue, is a severe complication characterized by persistence of symptoms and intestinal inflammation despite gluten free diet after 12 months.1 Refractory celiac disease appears in two forms, ulcerative jejunitis (RCD ...
Read More »Lymphoma, B-Cell Non-Hodgkin’s
What Is B-Cell Non-Hodgkin’s Lymphoma? Bcell non-Hodgkin’s lymphoma is a malignant, monoclonal (arising from a single cell) proliferation of lymphocytes that is preceded by lymphadenopathy and characterized by varying, less predictable spread than Hodgkin’s disease. Lymphadenopathy is enlargement of lymph ...
Read More »Itchy (Pruritic) Skin
What Is Pruritic Skin? Pruritic skin is a symptom of a primary disease that may involve only the skin or a systemic disorder with other features and is characterized by chronic itching. Q: What part of skin is affected by ...
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