How to Choose the Farsighted Contact Lenses ?
hyperopia and myopia both belong to the refractive error, there are generally
more myopic patients than hyperopic patients in daily life. Hence, the
farsighted contact lens products are relatively less, which needs special
customization. If you want to wear the farsighted contact lens, you need to go
to the standard hospital for the optometry in order to make sure of the degree.
According to the doctor’s advice, you could make a selection.
eye is formed through the steps of the parallel rays pass the crystalline lens,
produce refraction, and then the focus falls on the retina. Many farsighted
eyes with medium and high degree not only have weak eyesight, but also along
with the problems of strabismus and amblyopia, which is more troublesome than
the nearsighted eyes. Slight farsightedness doesn’t need correct eyesight as
long as it doesn’t cause visual impairment or strabismus phenomenon. Only the
severe farsightedness needs eyesight correction through wearing frame glasses
or contact lens. Those who have severe farsightedness in single eye is more
suitable to wear the contact lens.
with each individual regarding the parameters such as water content, oxygen
permeability, etc. As for the hyperopic patients, most of them are middle aged
and elderly people. Human eye tissues start to degenerate evidently after 40
years old, and resistibility and hypoxia tolerance ability decrease
substantially. Hence, it is not advised to wear contact lens.
wearing the farsighted contact lens for the first time, you should consult the
doctor whether you are diagnosed with eye disease that is not suitable for
wearing contact lens or not and use the contact lens under the guidance of
professionals. You should pay attention to check the contact lens, whether the
surface is smooth, flawless with adequate base curve or not, whether the
contact lens fall off from the eyes or not, and whether contact lens have
friction with the eyes or not. The hygiene requirement of the contact lens is
very strict. Once occur the symptoms such as eye irritation, bloodshot eye,
blurry vision, photophobia, etc., you must immediately stop wearing the contact
farsighted contact lens is only one way of eyesight correction. You should care
and protect well your eyes in everyday life. Staying up late and eating spicy
and irritating food is not advised. Meanwhile, you could provide the eyes with
more nutrition by adding vitamin in the daily food.