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Purpose: To determine whether those myopes who respond like hyperopes when tested with a multivergence hologram are progressive myopes and to investigate the role of latent accommodation in the development of progressive myopia. Methods: Recently, we introduced a specially designed hologram to test the vision of spectacle corrected subjects. A subject viewing through this hologram would see the real and virtual images of different test letters at various distances. We observed that some of the myopes responded like hyperopes in that test. The current study is designed to see if these myopes were progressive myopes. Using data on the spectacle correction measured initially and in later years for the myopes who participated in our studies with the hologram, we calculate the progression rate of myopia. Using progression rate, subjects are classified into progressive and non-progressive myopes. We analyse the data obtained for these subjects in the test with the hologram and propose a test for progressive myopia. We also investigate the role of latent accommodation in the measurement of low ametropia and the development of progressive myopia. Results: We found that the myopes who respond like hyperopes in the test with the hologram are progressive myopes! Based on this result we propose a test for progressive myopia. Our initial results show that the test has a sensitivity of 54% and a specificity of 100%. Our studies indicate that progressive myopes have some latent accommodation like hyperopes and progressive myopia may be a consequence of incorrect diagnosis/correction of low hyperopia/ myopia brought about by the play of latent accommodation.

A Test for Progressive Myopia and the Role of Latent Accommodation in its Development