| Vision decline is inevitable for most people due to | | | | limitation of full frames is that they are effective |
| natural aging. When people reach 40 years old, | | | | only for long hours of close reading. If someone |
| the most common vision problem is presbyopia, | | | | tries to see distance objects, the vision is blurry. |
| which makes individuals unable to see objects that | | | | |
| are close on hand. Presbyopia is not a serious | | | | Half frame reading glasses are developed to solve |
| vision defect, but it can be quite bothersome. | | | | this problem. This type of reading glasses sits low |
| Materials reading can be affected. | | | | on the nose. Wearers can peer over the top part |
| | | | | of the glasses in order to see distance objects |
| Presbyopic individuals always have normal levels | | | | because this part has no reading prescription. |
| of distance vision so that distant objects are still | | | | |
| clear. But daily activities such as writing, reading, | | | | Reading glasses may be annoying if one person |
| sewing and long hours of computer work can be | | | | has to pull them out at public places. Some |
| very difficult and even cause severe headache. | | | | wearers feel embarrassed to get out their |
| Presbyopia is such a natural phenomenon that | | | | reading glasses in public when they need to read |
| only the nature can be blamed. | | | | some materials. In this case, folding reading |
| | | | | glasses can be very helpful. This type of reading |
| There are no preventive solutions to presbyopia. | | | | glasses can be slipped into cases that look quite |
| The only way is to treat it. Reading glasses are | | | | like pen holders. Folding reading glasses in cases |
| the most popular solution to presbyopia. In | | | | can be easily carried in the pocket. What's more, |
| general, there are full frame reading glasses and | | | | these glasses are always equipped with hard |
| half frame ones. Full frames are suitable for | | | | frames so that they will never be broken or |
| people focusing on close work regularly. The | | | | twisted easily. |