Nervous asthenopia is a medical condition characterized by eye strain and fatigue caused by prolonged use of visual displays. The spelling of this word can be explained using the International Phonetic Alphabet (IPA) transcription. The first syllable, "nervous" is pronounced as /ˈnɜrvəs/, where the stress is on the first syllable. The second syllable, "asthenopia" is pronounced as /æsθɪˈnoʊpiə/, where the stress is on the third syllable. By understanding the phonetic transcription of nervous asthenopia, it becomes easier to accurately spell and pronounce this medical term.
Nervous asthenopia is a medical condition characterized by visual strain or discomfort, usually resulting from prolonged or intense mental or emotional stress. It is a type of eye strain that arises from excessive nervousness, anxiety, or tension.
The term "nervous" refers to the emotional or psychological factors that contribute to the development of asthenopia, while "asthenopia" describes the symptoms associated with eye strain.
People with nervous asthenopia often experience various visual symptoms such as eye fatigue, blurred or double vision, headaches, eye discomfort, dryness, or redness. These symptoms may worsen with prolonged periods of reading, writing, or working on a computer, especially when the person is already under significant mental or emotional stress.
The underlying mechanism of nervous asthenopia is believed to be a result of the sympathetic nervous system's response to stress, which can lead to increased muscle tension, decreased blinking frequency, and alterations in the tear film. Additionally, the increased mental strain can cause a decrease in attention to proper eye posture and visual habits, further exacerbating the symptoms.
Treatment for nervous asthenopia usually involves managing the underlying stress or anxiety through various relaxation techniques, stress reduction strategies, and lifestyle modifications. Additionally, visual exercises, such as the 20-20-20 rule (taking a 20-second break every 20 minutes to look at something 20 feet away), proper lighting conditions, and ergonomic adjustments, may help alleviate the eye strain. In some cases, prescription glasses or contact lenses may be prescribed to optimize visual clarity and reduce strain on the eyes.
A. Due to functional or organic nervous disease.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "nervous asthenopia" can be broken down into two parts: "nervous" and "asthenopia".
The term "nervous" originated from the Latin word "nervus", which means "nerve". In English, it commonly refers to a state of being anxious, apprehensive, or easily agitated. It is derived from the Old French word "nervos", meaning "nervous" or "vigorous".
"Asthenopia" is derived from two Greek words: "asthenes" meaning "weak" or "feeble", and "ops" meaning "eye" or "vision". In the medical context, "asthenopia" refers to a condition characterized by eye strain, discomfort, or fatigue resulting from prolonged use of the eyes, such as reading or extensive computer usage.