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A Hollenhorst plaque (also known as a retinal cholesterol embolus) is a cholesterol embolus that is seen in a blood vessel of the retina.It is usually found when a physician performs ophthalmoscopy, during which a plaque will appear as a small, bright crystal that is refractile (reflects the light from the ophthalmoscope) and yellow. [1]
A dilated fundus examination is typically contraindicated in situations where mydriatic eye drops are contraindicated. Absolute contraindications include: [8] History or suspicion of cerebrovascular or neurologic disease (head injury, coma, etc.) due to the need for continual reassessment of pupillary reactions; Iris clip intraocular lens implants
System: Eye and visual system: Significant diseases: Cataract, retinal disease (including diabetic retinopathy and other types of retinopathy), glaucoma, corneal disease, eyelid and orbital disorders, uveitis, strabismus and disorders of the ocular muscles, ocular neoplasms (malignancies, or cancers, and benign eye tumors), neuro-ophthalmologic disorders (including disorders of the optic nerve)
Pediatric ophthalmologists also have expertise in managing the various ocular diseases that affect children. Pediatric ophthalmologists are qualified to perform complex eye surgery as well as to manage children's eye problems using glasses and medications. Many ophthalmologists and other physicians refer pediatric patients to a pediatric ...
Norrie disease is a rare X-linked recessive genetic disorder that primarily affects the eyes and almost always leads to blindness.It is caused by mutations in the Norrin cystine knot growth factor gene, also referred to as Norrie Disease Pseudoglioma (NDP) gene.
Human performance technology (HPT), also known as human performance improvement (HPI), or human performance assessment (HPA), is a field of study related to process improvement methodologies such as organization development, motivation, instructional technology, human factors, learning, performance support systems, knowledge management, and ...
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HPT aims to overcome problems and address opportunities for improved outcomes at societal, organizational, process and individual levels. It uses systemic, rigorous analytical processes to identify and define requirements for change, determine existing obstacles and potential facilitators for specified changes, and select and develop ...