Plastic surgeons are sounding the alarm on a disturbing trend that's emerged with the growing popularity of social media: patients seeking cosmetic surgery to resemble how they see themselves in Snapchat filters.

The phenomenon, dubbed "Snapchat dysmorphia," has people requesting fuller lips, bigger eyes, or a thinner nose in order to look like the filtered or photo-edited versions of themselves.

"This is an alarming trend because those filtered selfies often present an unattainable look and are blurring the line of reality and fantasy for these patients," researchers from Boston University School of Medicine's Department of Dermatology wrote in a recent article, published in the medical journal JAMA Facial Plastic Surgery.

In the past, photo-retouching technology was only widely available for models and celebrities for use in magazines and advertisements. But today, with apps like Snapchat and Facetune, one swipe gives everyone the power to smooth out skin, whiten teeth and make eyes and lips look bigger.

"Now, it is not just celebrities propagating beauty standards: it is a classmate, a coworker, or a friend. The pervasiveness of these filtered images can take a toll on one's self esteem, make one feel inadequate for not looking a certain way in the real world," the doctors write. They say it may even "act as a trigger" and lead to the development of body dysmorphic disorder, or BDD, a mental health condition in which a person is preoccupied with a nonexistent or minor flaw in their physical appearance.

The authors say social media photo filters are altering people's perception of beauty worldwide.

In recent years, the number of people seeking plastic surgery because they want to improve how they look in selfies has been increasing. A 2017 survey from the American Academy of Facial Plastic and Reconstructive Surgery sound that 55 percent of surgeons report seeing patients who mention selfies as a reason for requesting surgery, compared to 42 percent in 2015.

Fueling that trend may be the fact that selfies present a somewhat distorted view of a person's face. Research published in March showed that the close proximity of the camera can distort facial features "like a funhouse mirror," for example by making the base of the nose appear approximately 30 percent wider. Such distortions could potentially prompt prolific selfie-takers to develop a skewed self-image.

Before the rise in the popularity of selfies, the most common complaint from people seeking rhinoplasty, commonly referred to as a nose job, was the hump of the dorsum of the nose. Now, plastic surgeons say nasal and facial asymmetry is the more common concern.

The Boston University authors warn that impact of digitally-perfected selfies may be especially harmful to young people.

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