| A cataract is a problem in the eye that affects | | | | manually or by phacoemulsification or the process |
| the lens. At first, cataract is not a noticeable | | | | of breaking it using localized high-pitched sound |
| problem for someone but as the opacity | | | | waves. |
| increases and spreads, light cannot pass through. | | | | Once the process is done, it is then irrigated and |
| That is why there is a change in vision and may | | | | aspirated. The cortex is removed but the |
| lead to significant loss of sight. This kind of eye | | | | posterior capsule is left intact behind the iris. This |
| condition develops from a lot of reasons. Trauma, | | | | bag is the supporting structure into which a |
| glaucoma, radiation, genetics and long term use of | | | | posterior chamber intraocular lens is placed. This |
| steroidal medications have caused this eye | | | | remaining posterior capsule prevents forward |
| condition. No matter what the causes are the | | | | movement of the vitreous. With intracapsular |
| treatments for cataract are all similar. The patient | | | | cataract extraction, the entire lens is removed |
| will undergo an eye examination before an eye | | | | and the zonules give way, releasing the entire |
| cataract surgery. | | | | capsule while leaving no remaining supporting |
| If cataracts occur bilaterally, surgery is usually | | | | structure behind the iris. The possibility of forward |
| performed first on the more advanced cataract. | | | | movement of the anterior vitreal face exists and |
| Cataract removal procedure involves the removal | | | | the incision must be as large as the lens. |
| of the crystalline lens which creates a condition | | | | Complications are rare for extracapsular |
| called aphakia. The best visual acuity is only 20 | | | | extraction. Its main complication is rupture of the |
| 400 and necessitates lens replacement, which can | | | | posterior capsule with vitreous loss. If the capsule |
| be accomplished with cataract glasses, contact | | | | is ruptured during the procedure, a backup |
| lenses or an intraocular lens implant. The advent | | | | anterior chamber lens may need to be implanted. |
| of intraocular lens has made cataract extraction | | | | The most serious complication with intracapsular is |
| with implants one of the most successful cataract | | | | forward movement of the vitreous into the |
| removal surgeries today in terms of curing a | | | | anterior chamber, which interferes with healing |
| visual impairment. The excellent visual rehabilitation | | | | and can lead to retinal disorders. Other cataract |
| has greatly increased the visual expectations of | | | | removal risks include adhesions, secondary |
| old age. | | | | glaucoma and infection. |
| Cataracts are removed either by extracapsular | | | | Medications help control certain risks. Activity |
| cataract extraction or intracapsular cataract | | | | restrictions are imposed to help control the risk of |
| extraction. The first one is in current use because | | | | hemorrhage and increased intraocular pressure |
| it requires a much smaller corneal incision. This | | | | with wound rupture and suture separation. Certain |
| reduces healing time and complications and leaves | | | | activities like too much reading, heavy lifting and |
| the posterior capsule intact, thereby protecting | | | | straining, violent coughing or sneezing, jerky |
| the vitreous and retina. An instrument is inserted | | | | movements, jolting activities, bending head lower |
| through the incision to remove the anterior central | | | | than waist, and any activities that causes blood to |
| portion of the capsule. The nucleus is being | | | | rush to the head are prohibited. |
| removed by being expressed in one piece | | | | |