Dergi Ara >>
Yıl:2012; Cilt: 2; Sayı: 2>> Özet
TAM METİN
Journal of Mood Disorders; 2012;2(2):80-83
Güneş gözlüğünün depresyon gelişiminde bir rolü olabilir
M Alpaycı, O Özdemir, S Erdem, N Bozan, L Yazmalar
Bitlis Devlet Hastanesi
Kış depresyonunun önerilen sebepleri arasında güneş ışığının eksikliği, melatonin üretiminin baskılanamaması ve sonunda duyarlı kişilerde uyku/uyanıklık döngüsüyle ilişkili sirkadiyen ritimlerde bozulmayı içerir. Güneş ışığının ruh hali üzerindeki mevsimlik etkisi gibi, ruh hali günlük güneşli saatler ile de ilişkilidir. Güneş gözlükleri görünür ışığın %75-95'i ni geçirmediğinden, kullanıcılarda retinohipotalamik sistem yoluyla gözlerden beyine ulaşan güneş ışığının miktarı azalır. Güneş gözlüklerini takan insanlarda, kış depresyonu için önerilen sebeplerin ortaya çıkmasına benzer şekilde, güneş ışığının antidepresan etkisi azalabilir ve sirkadiyen ritimler bozulabilir. Güneş ışığının antidepresan etkisi olduğundan ve güneş gözlükleri güneş ışığının maruziyetini azalttığından, güneş gözlüklerinin depresyonda bir rol oynayabileceğini varsaydık.
Sunglasses may play a role in depression
Proposed causes of winter depression include decrease in amount of sunlight, inability to suppress melatonin production, and finally disruption of circadian rhythms related to sleep/wake cycle in susceptible individuals. Like seasonal effect of sunlight on mood, the mood is also correlated with sunshine hours. The amount of sunlight reaching the brain from the eyes via retinohypothalamic tract is reduced in sunglass users, because sunglasses screen out 75% to 90% of visible light. In people wearing sunglasses, the antidepressant effect of sunlight may be reduced and circadian rhythms may be distorted, possibly leading to the emergence winter depression. Since the sunlight has antidepressant effect and since sunglasses reduce sunlight exposure, we hypothesized that sunglass use may play a role in depression.

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