Abstract: most of us have mild hyperopia at birth, but with the development of the eyeball, it gradually changes to emmetropia. Typical hyperopia people can’t see far clearly, can’t see near clearly, and are prone to visual fatigue.
maybe you don’t have vision problems now, but please take care of your eyes and start from yourself and around you! I suggest you pay more attention to rest, do more outdoor sports and let your eyes have a good rest! A clear and complete world is the greatest wealth of life!
glaucoma often cannot be clearly perceived. The slowly deteriorating optic nerve and intraocular high pressure will gradually reduce vision until the central vision disappears.
most of us have mild hyperopia at birth, but gradually change to emmetropia with the development of the eyeball. Typical hyperopia people can’t see far clearly, can’t see near clearly, and are prone to visual fatigue. Children with high hyperopia (> 500 degrees) without correction are prone to amblyopia because the macula of the retina has never been stimulated by a clear image, so they should be found and treated early.
Like white hair and wrinkles, presbyopia is also a symbol of aging. The old flower is due to the hardening of lens, the weakening of elasticity and the reduction of ciliary muscle contraction. Typical presbyopia symptoms include difficulty seeing near, the need for more illumination for reading, and the inability to see for a long time.
myopia the risk factors of
myopia include family history, long-time and close reading. The problems caused by myopia can be manifested in driving, sports and watching TV. Of course, myopia can also cause headaches, squinting and fatigue.
if you see the upper left corner, your vision is normal. If it is the other three, it is color blindness.
type I and type II diabetes can lead to partial loss of vision or even blindness. Although many symptoms, including retinal microvascular damage, can be treated, it still needs to be paid attention to as soon as possible. Symptoms include blurred vision, shadows, spots and pain.
retinitis pigmentosa is a genetic disease. With the gradual loss of lateral vision, the visual field gradually narrows, and finally leads to blindness.
with the change of age, macular degeneration gradually destroys the fine central vision and makes reading difficult. Symptoms include blurred spots in the center of the vision and curved waves in a straight line. Smoking, hypertension and obesity all increase the risk of macular degeneration.