Is cataract a whitening of the eye?
Mar 23, 2022
Source: Cainiu Health
Dr. Cui Xin
Introduction
In general, cataracts do not cause the entire eyeball to turn white; rather, they involve clouding and whitening of the lens. The lens is a structure located inside the eye. In the early stages of cataracts, vision is typically unaffected. However, if the condition progresses to the point where vision declines—particularly when visual acuity falls below 0.3—or if it begins to interfere with the patient’s work, studies, or daily life, surgical treatment for cataracts should be considered.
Cataracts are typically treated with phacoemulsification surgery, which preserves the natural lens capsule to facilitate the implantation of an intraocular lens (IOL). Most cataract patients achieve relatively good visual acuity following surgery; however, vision may decline several years later—often due to posterior capsule opacification (PCO), commonly referred to as “secondary cataract.” So, does cataract mean the eye turns white? Below, we address this question.
Does cataract mean the eye turns white?
Generally speaking, developing a cataract does not cause the entire eye to turn white. Rather, it involves clouding—or whitening—of the eye’s natural lens. The lens is an internal ocular structure. In early-stage cataracts, vision is usually unaffected; however, when vision deteriorates to below 0.3 (Snellen chart) or begins interfering with daily activities—including work, study, or routine living—surgical intervention should be considered.
Cataract surgery primarily involves removing the cloudy natural lens and replacing it with an artificial intraocular lens to restore vision. Current surgical techniques are highly refined and reliable, and most patients achieve significant visual recovery postoperatively. Following surgery, patients should use prescribed eye drops as directed, attend scheduled follow-up visits, and maintain a light, bland diet.
Additionally, for one month after surgery, patients should avoid strenuous physical activity and heavy lifting to prevent excessive intraocular pressure, which could lead to wound dehiscence. Patients experiencing constipation or chronic cough should manage these conditions pharmacologically. Furthermore, strict ocular hygiene must be observed during recovery—refrain from rubbing the eyes with unwashed hands, as this may introduce bacteria and trigger conjunctivitis.
We hope the above information is helpful to you.
