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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 ...
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.
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]
The costs of a mesotherapy treatment depend on the desired areas to be treated. For instance, Elite Aesthetics , a clinic based in the UK, offers treatments for £300 (approximately $380).
Norovirus cases have jumped up across the country, according to new data from the Centers for Disease Control and Prevention (CDC). During the week of December 5 (which is the most recent data ...
Mayra Mendez, PhD, a licensed psychotherapist and program coordinator for intellectual and developmental disabilities and mental health services at Providence Saint John’s Child and Family ...
Outside In is a Federally Qualified Health Center (FQHC) and a licensed mental health agency, [jargon] [9] and also operates a needle exchange. [23] The syringe exchange, implemented in 1989, was the first one to be developed and the third to go into operation in the country. [24]
Symptoms include “sensitivity to light, dizziness, pain behind the eyes, nausea, vomiting, and rash,” the CDC says, while more serious disease includes meningitis, encephalitis, and bleeding.