In the cornea needs oxygen is the rimless eyeglasses frames most important of many nutrients. Corneas need most of the oxygen from the air under normal conditions. Lens covering the breathing of the corneal surface affects the cornea, especially wearing a mirror for the night more easily lead to corneal hypoxia. Corneal edema in chronic hypoxia can occur, surface roughness, edge vasodilator congestion, severe corneal ulcer. Some statistics, long-term wear contact lenses sooner or later, or light or heavy, more or less all occurred over more than 10 kinds of corneal complications. Even after stopping wearing still cannot return to normal.
In addition, contact lens taken semi rimless eyeglass frames from together with to wear and care, and maintenance, are a set of strict and cumbersome procedures. Primary and secondary school students are often poor weak self awareness and self-care ability, time pressure every day, very difficult to achieve, in accordance with standard practice for cleaning, care of the eyes and lens. Coupled with long-term sleep deprivation, overload the mind, regular delay mirror every day and so on, can lead to corneal local resistance to degradation, when staying up late, cold or suffered when short-sighted a traumatic and could easily cause plastic reading glasses infections of the cornea and conjunctiva, appears in severe corneal ulcers, perforations and blindness, this tragic examples already abound among the youth.
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Spectacle frames structure: typically womens reading glasses consists of a pair of mirror mirror rings, nasal support, pile head, mirror feet and other major parts.
Mirror ring (frames): lens Assembly position, wire, screws and nylon, with a trench or bored to a fixed lens, which affect the shape of the cut and glasses of lenses.
Noses: connecting ring around mirror or directly with lenses of fixed connection. Nose is directly placed on the nose, there are supporting support though by the nose.
Nasal support: includes supporting leaf stalk, supporting enclosures and care leaves, supporting direct contact with nose, plays a role frame green reading glasses support and stability. Some casting molding plastic frame can not hold leaf stem and hold box, hold and mirror ring connected to.
Pile head: mirror, mirror at the corners of the, usually bend.
Under foot: hooks on the ear, can be active, connected with head, a fixed mirror role to play.
Hinges: a joint connection of pile titanium reading glasses head and lens foot.
Locking: screw the screws, ring openings on either side of the mirror lock fastening, fixed lens.
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Square: a square face shorter, mandibular wire more prominent, and corner. We need to pay attention is a square face two features: party, short. Using green prescription glasses a circular frame, and in particular optical frame is he at the bottom corners too obviously feels can be reduced. "Long" face, there are two ways: 1, this method is the most important: select the height small frame, frame height is too large, then take up face most of the, and feels the face shorter; 2, if possible, select the frame of feet higher through, will make the face appear longer.
Heart: heart-shaped face, also called inverse fashion reading glasses triangle faces, characterized wide forehead, cheekbones prominent, mandibular narrow and sharp. Such face look uneven, upper than the lower big and prominent, look to wear the opposite frame, is bottom wide, thus increasing width of bottom half face. Mirror lower leg also helped to semi rimless eyeglass frames improve this effect.
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Online stores more than thousands green prescription glasses of branded and non branded eyewear manufacturers come up with the latest designs and colors of the glasses frame. These frames based on size, color and level of comfort. For example, prescription sunglasses usually makes big glasses prescription is based on the appearance and personality of your design. Fashion consciousness of people seen in fashion frames and attractive color. Between man and man remains the most common of the most obvious choice is the frameless glasses. These titanium reading glasses glasses are generally different from conventional frame.
We provide a wide range of Rimless frame. Light weight and comfortable these glasses is one of the most popular choices among people. We offer kids eyeglasses prescription glasses rimless and presbyopic glasses in attractive framework.
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