Typically, a human blinks 15 to 20 times per minute though some medical conditions may result in blinking at a rate noticeably outside the normal range. Two major functions of blinking include keeping the eyeballs moist and protecting the eyes from irritants, such as dust.Know More
When an individual looks at a specific object for a long time, the rate of blinking decreases. Reading for an extended period can result in fatigue as the eyes gradually dry.
In 2012, research was published regarding the association between eye blinks and natural gaps in external stimuli, such as the spaces between sentences in written work. Analysis of brain activity during blinking episodes suggests that blinking plays a role in adjusting one's focus and in aiding concentration.Learn More
According to WebMD, contact lenses for astigmatism are specially shaped lenses intended to correct the refractive errors caused by astigmatism. Soft toric lenses can correct mild astigmatism, and special rigid lenses can correct more severe astigmatism.Full Answer >
Some home remedies for puffy eyes include applying different substances to them, such as ice packs, cold cucumber slices, grated potato, teabags and cold water. Some other home solutions to this problem are to use an eye mask or apply an eye cream formulated to reduce puffiness.Full Answer >
Lights in your peripheral vision, or eye floaters, are most often caused by changes in the jelly-like substance in the eyes due to age, explains the Mayo Clinic. They also might be caused by inflammation, bleeding in the eye or a torn retina.Full Answer >
An ophthalmologist or optometrist treats macular degeneration. The macula is the part of the retina that is responsible for the central vision. If macular degeneration is suspected, the physician may perform a photographic procedure using dye.Full Answer >