Method used to examine periphery of retina:: (A) Direct ophthalmoscopy, (B) Retinoscopy, (C) Indirect ophthalmoscopy, (D) None
Answer is C. - With Indirect ophthalmoscope Field of view is much larger & Examination of peripheral retina up to ora serratais possible. - Used along with scleral indentation to obtain ora serrata and pars plana visualization in difficult situations - Image formed is real & inveed - Feild of vision = 8DD (1DD= 1.5mm) - Convex lens of +20 D is used, commonly USES- in periphral Retinal breaks , Retinal detachement ROP evaliation