An ophthalmologist â Eye M.D. â is a medical or osteopathic doctor who specializes in eye and vision care. Ophthalmologists differ from optometrists and opticians in their levels of training and in what they can diagnose and treat. As a medical doctor who has completed college and at least eight years of additional medical training, an ophthalmologist is licensed to practice medicine and surgery.
Young adults have consistently been the heaviest users of social media by a substantial margin, and today thatâs even more true: a staggering 90% of them use social media, according to a 2015 Pew Research Center study. Thatâs a 78% increase from the 12% who were using social media back in 2005. Another Pew study found that 82% of young adults that are online use Facebook, and about 55% of this crowd uses Instagram, says the Pew study. Rounding out the mediums covered by the report is Twitter, used by about 32% of this population.
The most popular age demographic on YouTube is 18 to 29. YouTube is fairly split between male and female users. 100 million people take a social action on YouTube (likes, shares, comments, etc.) every week. Google+ Demographics. 67% of Google+ users are male. The average Google+ user is a 28-year-old âtechie.â 235 million Google+ users are actively using its features (+1â²ing apps in Google Play, hanging out in Gmail, connecting with friends in Search, etc.). Instagram Demographics. The average age group on Instagram is 18 to 29.