Generally speaking, glasses cannot be claimed as an allowable business expense. HM Revenue & Customs rules state that they will only allow expenses that are deemed to be wholly and exclusively for the business and necessarily incurred in the performance of your duties.owever, if a prescription is required for glasses that are solely to be used for business purposes and evidence can be provided that they are not used elsewhere, then the purchase of glasses can be justified as an allowable business expense. The Expert was Mark Denton, an accountant at inniAccounts.
That could make defending the nation and paying the government's bills even tougher to do in the future. [PHOTOS: The 10th Anniversary of the Iraq War] The Iraq and Afghanistan wars will together cost $4 to $6 trillion, according a new study from Harvard University's Kennedy School.
The future bill from the Afghan war is likely to run into hundreds of billions of dollars more. The Pentagon has indicated it wants funding of $120bn for 2016-19 for operations in Afghanistan, although the eventual cost will depend on the future mission that the White House decides on.