A lack of sleep, appearance changes!

You know how everyday things look even sleep influence of?
Tired eyes looks finger even if the eye is often to hazy sounds. Is lack of sleep state in the same way, it seems to affect contrast sensitivity and coordination capacity, recognition time to see things.

Vision is the ability to distinguish the two points as the two points

How to measure Visual acuity is measured as the sight 1.0 when usually recognisable Landolt unbroken 1.5 mm, 5 m sight table. That Word, crisp image from afar can be is projected clearly just how retina or, Visual value measured optical characteristics from the target to the retina.

However, how things look, not only sight but varies due to factors including the eye, sensitivity to contrast, recognition speed adjustment ability is. So, let’s look how lack of sleep affects appearance?.

Recognition / identification time impact

Go bad mood and physical condition bad fault is the continued lack of sleep, finger do not to make progress only in is not put on the appearance, what might be.

Short sleeping hours and head to dimly information transmitted from the retina to the brain slows, longer hours of identification and recognition are expected. You might result, falling off of the work efficiency, such as a personal computer.

Impact of adjustment ability to see close ones

Reading a book, watching a computer screen, in everyday life, keep highlights a relatively short distance of things is a lot for a long time.

Person of normal vision nearsightedness, farsightedness, not even 30 cm before one’s eyes sight seeing the targets required to regulate power is 3 diopter. From Word, flashy conditioning power it just oumi MI to the possible acuity decreases scarce with adjustable power of sleep time is not enough.

Impact on contrast sensitivity

Distinguish the unevenness of wall texture and forest trees, is a contrast sensitivity.

Contrast sensitivity is using the new method, such as VCTS (Contrast Vision Test System). It is to determine how much this can recognize until stripe pattern on the granularity of how much is vague. Sleep time is short or not and is likely not a decrease, in the high-frequency region.

Impact is difficult to determine contrast, unsightly objects close up hard to recognize things soon due to lack of sleep as a conclusion may appear. Therefore, also falling personal computer work efficiency, proceed according to plan may be, and from may be affecting judgment ability when driving a car is dangerous.

It is important to take moderate sleep for the health of the eyes relaxed muscle around the eye and optic nerve, to recover. Is the visibility it allows blood circulation around eyes and often yukiwatari oxygen and nutrients, feels that the next day, gotten will.

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