Firstly, there are many reasons that can give rise to your situation, but the worst imagination is complicated cataract, which stem from eye's inflammation and even lead to blindness. Be prepared for the worst just in case, you'd better go to see a doctor to have a medical check-up and follow the doctor's suggestions. In addition, in your daily life,you are not recommended to enjoy strenuous exercises for the sake of your eyes.Besides, you shall also keep away from kitchen, which might make condition worse. After one or two weeks at most, you will see the changes.
What is the most important thing, in my opinion, it is to know what peripheral vision loss is. It is the loss of your ability to see things to the side or up and down from your central vision. To some extent, it is called tunnel vision. There are a variety of reasons that can lead to peripheral vision loss. Firstly, the most common reason that leads to peripheral vision loss is optic nerve damage from glaucoma because it blocks normal blood flow to the eye's internal structures. Secondly, Retinal detachment will also cause peripheral vision loss. If retina detaches, it is lifted or pulled from its normal position peripheral vision loss may result. Thirdly, stroke can lead to peripheral vision loss. To be honest, there is no good way to cure peripheral vision loss. There is a type of lens known as a prism sometimes can be added to your eyeglasses prescription to expand your field of view.