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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 ...
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 ...
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]
IC 4662, also known as ESO 102-14 is an irregular galaxy located in the constellation Pavo 7.96 million light years away. It was discovered by Robert T. A. Innes in 1901. It has a diameter of 7000 light years and an angular size of 3.2' x 1.9'. IC 4662 is part of a Hubble study of starbursts in nearby, small, or dwarf, galaxies.
The aurora borealis put on a dazzling light show in Indiana this weekend. Here's a look at what people were seeing from French Lick to Indianapolis. Northern lights in Indiana: Here's what ...
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.
At Every Child Pediatrics, Luzietti says around 7,000 of her patients lost Medicaid, and the percentage of uninsured patients seeking treatment at her clinics grew from 8% to 15% during the unwinding.
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