This is something that is quite common to older folks who are diabetic and suddenly develop diabetic retinopathy, a situation where the low blood sugar results in damage to sensitive vessels which supply blood to the eyes. It results in damage to the retina caused by complications of diabetics, which can eventually lead to blindness. It is an ocular manifestation of systemic disease which affects up to 80% of all patients who have had diabetes for 10 years or more. Despite these intimidating statistics, research indicates that at least 90% of these new cases could be reduced if there was proper and vigilant treatment and monitoring of the eyes. The longer a person has diabetes, the higher his or her chances of developing diabetic retinopathy.
So I had to do some digging to get him an Android phone with an App that would make his life a whole lot easier, while I am yet to find one, below are a couple of really nice and relatively affordable ways to get the visually impaired to enjoy their mobile phones.
I am also still exploring the options of low vision aids but as this is a tech blog, I won't even go into those.