Нужно ли есть чернику и ещё 4 важных вопроса про глаза

Смотреть телевизор вредно, а есть чернику — полезно. Это и другие прописные истины мы слышим с детства. Всё ли из этого правда? Отвечаем на вопросы про чернику, глазные капли, очки с дырочками, влияние наследственности и вред чтения, телевизора и компьютера.

 

Помогает ли черника улучшить зрение?

 

blueberries

 

Да. В чернике содержатся крайне полезные для глаз антоцианы (улучшают ночное зрение и ускоряют восстановление после повреждения сетчатки ярким светом), а также лютеин и зеаксантин (защищают сетчатку от губительного воздействия синей части спектра).

В принципе, эти вещества вполне можно употреблять в виде таблеток. Но постарайтесь хотя бы в сезон побаловать себя свежей черникой.

 

Зачем нужны глазные капли?

 

Простые капли, которые продаются без рецепта (их ещё называют искусственная слеза) избавляют глаза от сухости и ощущения «песка в глазах». Состав их может существенно различаться, среди компонентов может оказаться, например, гиалуроновая кислота.

Выбрать те капли, которые подойдут вам лучше других, довольно сложно: есть множество рецептур и большая ценовая вилка. Поэтому если вы пользуетесь каплями регулярно, обратитесь к офтальмологу — он поможет выбрать наиболее подходящие.

Кроме того, постоянное ощущение сухости — само по себе не очень нормальное явление, и визит к офтальмологу может понадобиться не только для того, чтобы выбрать капли, но и проверить здоровье ваших глаз.

 

Передается ли плохое зрение по наследству?

 

И да, и нет. Большинство нарушений зрения передается как предрасположенность. По статистике, только лишь 3 % слабовидящих родились с наследственными проблемами с глазами. Офтальмологи часто спрашивают на приеме, какое зрение у родителей, но склонность к заболеванию — ещё не болезнь.

 

Зачем нужны очки с дырочками?

 

glasses with holes

 

Это так называемые очки-тренажёры, которые назначают при:

— пресбиопии (аномалии рефракции глазного яблока);

— боязни яркого света;

— миопии (близорукости);

— дальнозоркости;

— длительном зрительном перенапряжении;

— астенопии мышечного или аккомодационного типа.

Однако подобная терапия не всегда оправдана и такие очки с дырочками необходимо использовать только по назначению врача.

 

Вредно ли смотреть телевизор и сидеть за компьютером?

 

В 1998 году Американская ассоциация оптометристов ввела новый термин — компьютерный зрительный синдром (Computer Vision Syndrome). Это комплекс симптомов, вызванных работой на компьютере, и среди них не только проблемы со зрением, но и боли в шее, спине, плечах, проявления карпального тоннельного синдрома.

Блики и мерцание на экране телевизора могут утомить глаза и вызвать красоту и сухость. Однако это временные проблемы — глаза приходят в привычное состояние, если дать им отдохнуть.

А вот связь работы за компьютером или просмотра телевизора с появлением близорукости или дальнозоркости на сегодняшний день не выявлена. Об этом говорит 20-летнее исследование Университета штата Огайо в США.

Это значит, что компьютер или телевизор не смогут необратимо испортить вам зрение, но всё таки лучше давать глазам периодически отдохнуть.

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  40. Кроме антоциана, в чернике содержатся протоантоцианиды, флавоноиды и танины , которые действуют как антиоксиданты