• Glasses are available with semi-rimless or total-rimless frames.rimless eye-glasses image by Alexander Kosenkov from Fotolia.com
  
  Rimless eyeglasses allow you to forget that you're wearing glasses. These types of frames feel lighter and are less obvious to others. The semi-rimless frames encircle a portion of the lenses with a frame, offering extra support but less weight and no rim intruding into your vision. Total-rimless glasses don't have no rim around the lenses. Each frame has its own positive and negative features.
  
  

Grooved Rimless Frames

• Grooved frames are usually found on semi-rimless glasses. The lens contains a groove cut, similar to that of regular rimmed glasses, but this groove is placed into an invisible nylon string or liner that runs along the bottom of the lens instead of a solid rim. This allows the frame to be light and flexible, while keeping the lenses in place. Thicker lenses are used in order to prevent chipping or cracking where the lens is not protected by a solid rim.
  
  

Drilled Rimless Frames

• Drilled rimless frames require holes to be drilled through the lenses so that the bridge and temples can be anchored directly to the lens. These frames do not contain any rim, and the lenses are thick in order to keep them supported. These frames are delicate and should not be worn by someone who often falls asleep wearing glasses. The mounting can become loose after a long period of wear, and can make the whole frame wobbly. This can usually be fixed by an eyeglass repair shop.
  
  

Titanium Rimless Frame

• Titanium rimless frames use a discreet metal or titanium wire to surround the lenses and make the glasses more durable. This wire keeps the lenses in place and prevents cracking or chipping around the edges. The glasses are significantly lightweight because the wire is so thin, and the glasses look rimless. These frames cost a little more, and usually last longer.