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The practicing ophthalmologist knows visual fields are a crucial diagnostic tool, yet he often finds himself in a quandary about visual field testing. Suppose he has not given the matter much thought in the last five years. He is really a little ashamed that he is still getting along with a self-recording tangent screen. His present perimetrist was taught by the previous perimetrist, who was taught by her predecessor.
Should he buy a Goldmann, Marco, or Topcon, or should he invest in an automatic screening device or, perhaps, a full-scale computerized perimeter? It is at this point, when he is flirting with the idea of investing tens of thousands of dollars in office equipment, that he should consider the alternative: if visual fields are all that important, perhaps he should learn something about perimetry himself before deciding.
This book is his starting place. He should buy one copy for his
Thompson HS. Perimetry: Principles, Technique, and Interpretation. Arch Ophthalmol. 1981;99(4):703. doi:10.1001/archopht.1981.03930010703030