Using Your Smartphone at Night Could Make You Temporarily Blind

Recently on our channel, we talked about the girl whose cellphone exploded next to her bed. If you want to know more, watch the suggested video.

And, if that wasn't enough, we also talked about the damages that the blue light emitted by this device can cause in our physical and mental appearance.

See now how screens can age your brain and cause other health issues:

A case that happened in China made people from all over the world worry. For many, it is common to spend the whole day with their phones right next to them.

And it happens especially at night, during our free time. Many people have the habit of using their phones in bed, with the lights off.

Did you know that excessive use of cellphone for a whole night caused temporary blindness in a woman?

She lost the sight in her left eye because a blood vessel burst and filled the retina with blood, blocking her sight.

According to experts, the exposure to the lights of the cellphone created a muscle tension in the eye, which caused the blood vessel to burst.

After being taken to the hospital, the woman was diagnosed with Valsalva retinopathy by the doctor Qiu Wangjian.

The doctor said that "the patient spent the whole night playing on her phone" and, when she woke up and started using her phone again "after five minutes, she noticed that couldn't see with her left eye. She couldn't see anything."

The doctor also said they found big spots of blood on the patient's retina, and had to act immediately so the woman wouldn't suffer any sequels. After the procedure, the patient recovered her sight.

Cases of Valsalva retinopathy started being documented after reports of patients that had serious lesions on their eyes, after vomiting, having asthma attacks intense coughing, and other cases that cause muscular tension in the eye area.

This worry about exposure to the light of electronic devices isn't that recent, and maybe that's why cellphone manufacturers are committed to bringing night mode and blue-light filters to the modern devices.

According to the American Academy of Ophthalmology, the complaints of discomfort, ocular fatigue, dry eyes, headaches, and insomnia caused by visual exposure to screens has increased in the last few years.

And that's why experts recommend using computers or phones with one arm-length of your face, along with using filters and light settings.

Another recommendation is resting your sight, if possible, using the "20-20-20" rule. This rule is to take a break every 20 minutes, looking at an object that is at a distance of 20 feet for 20 seconds. Interesting, isn't it?

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