Dazzle reflex

Dazzle Reflex

The Dazzle Reflex (pronunciation: /ˈdazəl ˈrēˌfleks/) is a semi-automatic, involuntary blink response that occurs when a sudden intense light stimulus is presented to the eyes.

Etymology

The term "Dazzle Reflex" is derived from the English word "dazzle", which means to overpower with light, and the Latin word "reflexus", which means to bend back.

Function

The Dazzle Reflex is a protective mechanism of the eyes, designed to prevent potential damage from high-intensity light. It is a part of the body's optomotor reflex system, which includes other responses such as the pupillary light reflex and the blink reflex.

Clinical Significance

The absence or abnormality of the Dazzle Reflex can indicate potential neurological disorders or damage to the optic nerve. It is often assessed in clinical examinations, particularly in neuro-ophthalmology.

Related Terms

• Blink reflex
• Optomotor reflex
• Pupillary light reflex
• Optic nerve
• Neuro-ophthalmology

External links

• Medical encyclopedia article on Dazzle reflex
• Wikipedia's article - Dazzle reflex

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