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Diffraction spikes are lines radiating from bright light sources, causing what is known as the starburst effect [1] or sunstars [2] in photographs and in vision. They are artifacts caused by light diffracting around the support vanes of the secondary mirror in reflecting telescopes , or edges of non-circular camera apertures , and around ...
Impressed by the medical treatment received by members of Jacksonville's Davis family (then owners of the Winn-Dixie supermarket chain) at Mayo Clinic in Minnesota, they rallied community and corporate support to bring Mayo Clinic to Jacksonville and donated the large tract of land off San Pablo Road on which Mayo Clinic opened an outpatient consultation center in 1986.
Some post-LASIK patients see halos and starbursts around bright lights at night. [1] Complications due to LASIK have been classified as those that occur due to preoperative, intraoperative, early postoperative, or late postoperative sources: [54] According to the UK National Health Service, complications occur in fewer than 5% of cases. [51]
Last week, The Post spoke to former NASA commander Dr. Leroy Chiao, who had a near-miss with two metallic orbs in a personal plane while flying over the Texas panhandle at 9,000 feet.
Enjoy a classic game of Hearts and watch out for the Queen of Spades!
It is light-sensitive and communicates visual messages to the brain. If the retina detaches, it moves and shifts from its normal position. This can cause photopsia, but can also cause permanent vision loss. Medical attention is needed to prevent vision loss. Procedures may include laser treatment, freezing, or surgery.
St. Vincent's Medical Center Southside is a not-for-profit, faith-based hospital located in the southern part of Jacksonville, Florida. It is a member of St. Vincent's HealthCare and is affiliated with Ascension Health. Founded as St. Luke's Hospital in 1873, it was Jacksonville's first private hospital and is Florida's oldest private hospital ...
“I want you to write down the name of every single person you’ve had unprotected sex with.” The nurse held out a pen. She was stern and no-nonsense.