CNA itself is 90% owned by a holding company, Loews Corporation.This holding company also has interests in offshore oil and gas drilling rigs, natural gas transmission pipelines, oil and gas exploration, and in hotel operations.n May 3, 2005, CNA said it would restate financial results for prior years to correct its accounting for several reinsurance contracts, mainly with a former affiliate, and its equity accounting with this affiliate.
Refraction is a test that optometrists and ophthalmologist use to measure a person's refractive error. a refractive error is when your eye does not bend light coming into your eye properly as it passes through the cornea, the crystalline lens and fluid media to come to a sharp, clear focus onto your retina.
Manifest Refraction. An eye test usually completed by an optometrist/ophthalmologist, where refractive errors are measured while the eyes own crystalline lens is able to accommodate. This can help determine, myopia (short sightedness), hyperopia (long sightedness) and astigmatism.