Asthenopia
Classification according to ICD-10 | |
---|---|
H53.1 | Subjective visual disturbances Asthenopia |
ICD-10 online (WHO version 2019) |
As asthenopia ( ancient Greek ἀσθενής asthenés , German 'weak, powerless' and ὀπτικός optikós , German 'belonging to vision' ) or asthenopic complaints are a complex of symptoms that - often in younger people - lead to different sensations under visual stress, and the is triggered by motor , accommodative , sensory or optical disturbances of vision .
Symptoms
Symptoms include a. to mention:
- Heaviness of the eyelids
- quick fatigue and general malaise
- a headache
- Eye redness , pain and tears, especially when working at close quarters
- occasionally double vision
- dizziness
- Blurred vision
Typically, the symptoms only occur during the day or when there is an increase in visual stress, e.g. B. with intensive screen work .
causes
A general distinction is made between optical / accommodative, muscular, nervous and symptomatic asthenopia. Possible causes are:
- incorrectly corrected or incorrectly corrected ametropia of the eye such as farsightedness or myopia
- Disorders of eye muscle coordination, e.g. B. with convergence weakness , fixation disparity or latent squint ( heterophoria )
- central disturbances of the fusion , d. H. the merging of both individual images of the eyes into one
- Fatigue and exhaustion
- psychological influences
- Neuralgia , conjunctivitis, etc.
Web links
- Press archive of the professional association of ophthalmologists in Germany - BVA
- Roche Lexicon Medicine and Health
- From Thieme eJournals: Asthenopic complaints and the convergence of the eyes at the computer workstation: New measurement methods for practice and research
Individual evidence
- ^ Pschyrembel clinical dictionary. With clinical syndromes and nouns anatomica. = Clinical Dictionary. Edited by the publisher's dictionary editor under the direction of Christoph Zink. 256th, revised edition. de Gruyter, Berlin a. a. 1990, ISBN 3-11-010881-X .
- ↑ Convergence accuracy of the eyes: New measurement methods for practice and research, Leibniz Institute for Labor Research ( Memento from September 4, 2015 in the Internet Archive )
- ↑ Herbert Kaufmann (Ed.): Strabismus. 3rd, fundamentally revised and expanded edition. Georg Thieme, Stuttgart a. a. 2004, ISBN 3-13-129723-9 .