There are several factors to consider when choosing between metal or plastic eyeglass frames. Both materials have their own unique advantages and disadvantages, and the right choice depends on your personal needs and preferences.

Metal frames are usually made from materials such as stainless steel, titanium or aluminum and are known for their durability and strength. They are also lightweight and hypoallergenic, making them popular with people with sensitive skin. Metal frames come in a variety of styles, from classic and understated to bold and fashionable.

One potential drawback of metal frames is that they are more expensive than plastic frames. They are also more difficult to adjust if they don't fit properly, as the metal material is less malleable than plastic. Additionally, some people may find metal frames less comfortable to wear, as they can sometimes feel heavy or can put pressure on the nose or ears.

Plastic frames are made from a variety of materials, including acetate, nylon and acrylic, and are known for their versatility and affordability. They can be molded into a variety of shapes and styles and can be found in almost any color or pattern imaginable. Plastic frames are also typically lighter than metal frames, making them more comfortable to wear for extended periods of time.

One potential disadvantage of plastic frames is that they may not be as durable as metal frames, as they can easily crack or break if bent or twisted. Additionally, for people with sensitive skin, some types of plastic frames may cause skin irritation or allergic reactions.

In conclusion, both metal and plastic eyeglass frames have their own unique advantages and disadvantages. 

When choosing best material for eyeglass frames , it is important to consider factors such as durability, comfort, style and budget. Ultimately, the right choice depends on your personal needs and preferences. Before making a final decision, it's a good idea to try on a few different types of frames to see which ones feel most comfortable and look best on your face.