Yes, of course! Retinal pigmentosa is a visual disability that happens when the cells in the retina do not function properly, thereby leading to a vision problem. Symptoms include difficulty in seeing at night and side vision loss. It's mostly a genetic disorder, and thus it commonly appears in families. Retinitis pigmentosa is yet to be discovered with a cure. However, using sunglasses and low-vision aids can benefit the management of the symptoms.

This is alarming because even in one of your eyes you still face an issue with clarity of vision after Lasik surgery. It is recommended that one consult an eye consultant doctor who conducts a full eye inspection. They take note of unique factors that cause blurred vision; these may be refractive errors or an underlying condition. This depends on what is found in the latter part of these surgical procedures so it may entail additional surgery if the findings are unfavorable, but proper professional assessment by an eye specialist would be better.

Red eyes are common and can happen for many reasons, like a stuffy nose, dust, tiredness, or chlorine. Sometimes, conditions like arrhythmia or long periods of staring at screens can also cause red eyes. To help, you can use artificial tears to keep your eyes moist. If your eyes still feel irritated, taking a break and resting them is a good idea.

Yes, you can give blood if you take­ ashwagandha every day and had Lasik surgery 3 ye­ars ago. The ashwagandha herb is safe and will not impact your blood donation. The­ Lasik eye operation you had some­ time ago also does not stop you from giving blood. Just make sure­ you feel good on the day you plan to donate­ blood. 

This issue is called myopia. It occurs when your eye­ball is too long or the cornea is too curved. Howeve­r, wearing glasses with the right treatment helps correct this. You nee­d regular eye e­xams to check your vision.

Itching and swelling around the eyes might be a symptom of an eye infection or allergies. It is important to see an ophthalmologist for a correct diagnosis and a therapeutic plan.