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What could cause swelling of upper eyelid and check of right side of face and seeing broken white light?

Swelling of the upper eyelid and cheek on one side of the face, along with seeing broken white light, could be indicative of an underlying medical condition such as sinusitis, an allergic reaction, or an ocular issue like a corneal abrasion. It is crucial to seek medical attention from a healthcare professional for proper evaluation and treatment.


What does a person see before he or she dies?

It is difficult to definitively answer this question as experiences surrounding death can vary greatly among individuals. Some people report seeing visions or loved ones, while others may have no conscious experience. Many factors, such as cultural beliefs, can also influence what people may perceive before death.


Why do your pupils constrict?

Pupils constrict in response to bright light to reduce the amount of light entering the eye and protect the sensitive retina from potential damage. Conversely, pupils dilate in dim lighting conditions to allow more light into the eye for improved vision in low-light environments.


What is very light but cannot be lifted?

A feather is very light, but theoretically cannot be lifted by something that is equally light or lighter.


Where can you buy 1072 nm light emitting diodes?

You may be able to purchase 1072 nm light-emitting diodes (LEDs) from specialized manufacturers, online electronic component suppliers, or distributors that specialize in optics and photonics. It's important to verify the specifications and quality of the LEDs before making a purchase.