03-06-2017
Ophthalmology Times eReport
How to protect yourself against long-term care costsOne of the frequently asked questions in the financial planning discussion is: “How can I protect myself against the possibility of long-term health care expenses?” This subject is a concern for most Americans. A recent survey of over 10,000 affluent investors, conducted by Spectrem Group and Vanguard Financial, found that long-term care was the top concern among individuals with $5 million to $25 million in assets.
What role does chromatic aberration play in IOLs?White light is comprised of different wavelengths of visible light, ranging from red (700 nm) to violet (400 nm). As white light passes through an optical system, each of its component wavelengths bends independently.
Evidence weak for blue light-filtering IOLsOnly weak evidence supports the use of IOLs that filter visible blue light, researchers say. “On the basis of currently available evidence, one cannot advocate for the use of blue-light-filtering IOLs over UV-only filtering IOLs,” wroite X. Li, Waterford Institute of Technology, Waterford, Ireland, and colleagues.