My husband and I are in the planning stages of renovating our living quarters, including the downstairs bath, kitchen and living room. It dawned on me as we began our plans: 30 years ago, homes were designed for a person of average height who has perfect eyesight and hearing, can walk from one room to another with ease and has no trouble getting up or down. Considering the cost of remodels, my husband and I are hoping that our renovations will last us 20 years and maybe more. But once we age another 20 years and reach 75 (which seems young and spry), it’s not inconceivable that we may have physical limitations, especially when it comes to bending, stooping, stretching or reaching. Upon close inspection, our house is stylish and well-maintained, but it is a bit of an obstacle course. For example, the upper cupboard in the kitchen that holds frying pans and platters requires us to open the refrigerator doors to reach the contents. Additionally, when the kitchen pantry door is...