| Every one should be supposed to take good care | | | | Among the implicit symptoms of glaucoma, |
| of the eyesight. Good vision is a sense missed by | | | | increased or abnormally high intraocular pressure in |
| anyone who has lost it. Eye diseases are a | | | | the eye is nearly the most decisive factor of the |
| dangerous factor that deserves enough | | | | disease. Without proper external interference, the |
| consideration. Glaucoma is one of the common | | | | eye pressure can rise to dangerous levels. In an |
| eye diseases that affect normal vision of many | | | | early stage, only peripheral vision is affected. If |
| individuals. This is an eye disease which can | | | | glaucoma is left untreated, it will gradually damage |
| damage the optic nerve. Glaucoma is associated | | | | the optic nerve and lead to blindness as an |
| with many potential symptoms. Some of them | | | | extreme case. |
| are implicit and the others are explicit. | | | | Glaucoma even has indirect relation with LASIK |
| Explicit symptoms experienced by patients | | | | surgery which is widely used to correct certain |
| themselves which may indicate an underlying | | | | vision defects. LASIK procedure involves |
| glaucoma include headaches when reading or | | | | removing a little corneal tissue. Individuals have |
| entering a dark room, halos around lights, misty | | | | normal cornea thickness can maintain its curve |
| vision, eye aches after vigorous activity, and | | | | against the high pressure caused by glaucoma. |
| missing pieces in the visual field such as first | | | | Unfortunately, some glaucoma patients have |
| letters of words and so on. In addition, some of | | | | thinner corneas so that they are not eligible to |
| the implicit "symptoms" can be detectable only by | | | | LASIK surgery. This is simply because a thin |
| eye doctors. They contain high intraocular | | | | cornea can not hold itself against the pressure |
| pressure, reduced visual fields and damaged optic | | | | generated by the naturally occurring eye fluids. |
| nerve. | | | | Receiving LASIK in this case means weakening |
| In fact, many people have heard of glaucoma | | | | the thin cornea in a further step. |
| although some of them do not know its details. | | | | |