Marks & Spencer reading glasses have optical quality magnifying lenses to aid close work and reading.,Item details: Spring hinge, with metal textured detailing , Optical quality magnifying lenses to aid close work and reading,Marks and Spencer reading glasses conform to British standards bs en 14139: 2010, Available in 6 dioptres +1.25 +1.50 +1.75 +2.00 +2.50 +3.00, For near vision and reading use