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Fumaça do cigarro mata as células do olho, diz estudo

Como oftalmologista especializado, Dr. Lucas Faria, estou aqui para esclarecer os efeitos prejudiciais do cigarro na saúde ocular. É bem documentado que fumar cigarros pode levar a uma série de problemas de saúde graves, como doenças cardíacas, derrames e câncer. No entanto, muitas pessoas podem não estar cientes de que a fumaça do cigarro também pode danificar seriamente a saúde dos olhos.

Fumar cigarros, ou estar exposto à fumaça do cigarro, aumenta o risco de desenvolver várias condições oculares. Os produtos químicos nocivos presentes na fumaça do cigarro podem afetar a visão de várias maneiras.

Primeiramente, fumar cigarros prejudica os vasos sanguíneos em todo o corpo, incluindo os olhos. Isso pode levar à degeneração macular relacionada à idade (DMRI), a principal causa de perda de visão em pessoas com 50 anos ou mais. A DMRI ocorre quando a parte central da retina, chamada mácula, é danificada. Pessoas que fumam têm até quatro vezes mais probabilidade de desenvolver DMRI em comparação com não fumantes.

Fumar também aumenta o risco de desenvolver catarata, uma condição que turva a lente do olho, obscurecendo a visão. A fumaça do cigarro contribui para a formação de radicais livres nos olhos, que danificam as proteínas da lente e causam a catarata.

Além disso, a fumaça do cigarro pode causar ou piorar a síndrome do olho seco, uma condição desconfortável que ocorre quando os olhos não produzem lágrimas suficientes ou de qualidade adequada para manter os olhos lubrificados. A fumaça do cigarro irrita a superfície do olho e pode perturbar a produção de lágrimas.

O cigarro também está associado a uma maior probabilidade de desenvolvimento de glaucoma, uma doença que danifica o nervo óptico e pode levar à perda de visão se não for tratada.

Como médico, aconselho fortemente que qualquer pessoa que fuma considere parar por muitas razões, inclusive para proteger a saúde ocular. Se você precisa de ajuda para parar de fumar, não hesite em procurar recursos e apoio. Lembre-se, nunca é tarde para parar de fumar, e sua visão é um recurso precioso que merece ser protegido.

Picture of Dr. Lucas Tavares Faria
Dr. Lucas Tavares Faria

Dr. Lucas Tavares Faria é natural de Belo Horizonte, filho de Oftalmologista e descendente da primeira Óptica da cidade. Especialização em Oftalmologia e o fellowship de retina clínica e cirúrgica realizados no Centro Oftalmológico de MG, vem se dedicando ao tratamento clínico e cirúrgico das afecções oculares com foco nas cirurgias de Catarata, Retina e Refrativa.

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