Funduscopy
The retina, blood vessels, and the optic disc should appear normal.
Abnormal results may be due to eye diseases such as a detached retina, optic nerve problems, macular degeneration, and changes caused by glaucoma. High blood pressure can also be detected.
Additional conditions under which the test may be performed:
Yanoff M, Duker JS, Augsburger JJ, et al. eds. Ophthalmology. 2nd ed. St. Louis, Mo: Mosby; 2004:1461-1462.
Ruamviboonsuk P, Wongcumchang N, Surawongsin P, Panyawatananukul E, Tiensuwan M. Screening for diabetic retinopathy in rural area using single-field, digital fundus images. J Med Assoc Thai. 2005 Feb;88(2):176-80.