[Eye strain--a headache causes by poor lighting].
D003815:Dentists; D005128:Eye Diseases / Q000209:etiology*; D006261:Headache / Q000209:etiology*; D006801:Humans; D008029:Lighting / Q000009:adverse effects*; D009784:Occupational Diseases / Q000209:etiology*
Stress für die Augen--Kopfschmerz durch falsche Beleuchtung.