The word "hemiopic reaction" is spelled using the International Phonetic Alphabet (IPA) as /hɛmiˈɔpɪk riˈækʃən/. The first syllable "hemi" means half, and the word refers to visual field loss in only one half of the visual field. The second syllable "opic" refers to the eye or vision. The word "reaction" suggests a response or change in perception. The spelling of this word, therefore, accurately conveys the meaning of a condition that affects a specific aspect of vision.
Hemiopic reaction refers to a neurological response characterized by a loss of vision in one half of the visual field, also known as hemianopia. This condition occurs due to damage or dysfunction in the optic pathway or the occipital lobe of the brain, which play vital roles in visual perception. Hemiopia typically affects both the eyes and is usually divided along the vertical meridian, meaning that one side of the visual field is completely lost.
Hemiopic reaction can manifest in different forms, depending on the location and extent of the brain injury. One common type of hemianopia is homonymous hemianopia, in which the loss of vision occurs on the same side of both eyes. In this case, if the left half of the visual field is affected, it will result in loss of vision in the right half of the field for both eyes.
Patients with hemiopic reaction often experience difficulty with various visual tasks, including reading, driving, and navigating through spaces. They may also exhibit compensatory strategies, such as turning their heads or bodies to maximize the use of the unaffected visual field. Treatment for hemianopia focuses on rehabilitation techniques, where individuals are trained to improve their awareness of the blind side, employ scanning techniques, and utilize aids like prisms or visual field expanders to enhance their visual functioning.
In summary, hemiopic reaction refers to the visual loss experienced in one half of the visual field, usually resulting from damage or dysfunction in the optic pathway or the occipital lobe of the brain.
Wernicke's r.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.