It is assumed here that if a Senior citizen is reading this article, then the senior citizen has Computer access.  Even with access, many senior citizens are loathe to use a computer because of vision problems.  Vision problems which are easily corrected now-a-days.

There are magnifying plate glasses which can be placed over a monitor to enlarge screen images.

Perhaps the best solution to the vision problem is buy a larger computer monitor.  The prices of flat screen computer monitors have dropped drastically, and a large monitor can be purchased for $150.  During sale periods, they may go for less than $100.

In this digital age, computer monitors are nothing more than televisions without the channel tuning mechanisms.  Vice versa, many modern digital televisions have a port for input from a computer.  The connectors for data and sound can be purchased at any electronics store.  It should also be noted here, that notebook computers have ports for external monitors.

Now, do you need any better reason for buying that 40" flat screen television?