Efficacy of potential visual tests to predict visual outcomes

Abstract

INTRODUCTION: Undergoing cataract surgery does not guarantee a favorable prognosis. Therefore, the use of potential acuity tests, which can be useful tools for ophthalmologists to provide relevant information to patients regarding the possible outcomes of cataract surgery, is a viable option to consider prior to recommending surgery.EVIDENCE ACQUISITION: A literature search was conducted using five online databases (PubMed, Scopus, Science Direct, Clinical Key, and Google Scholar). The search terms included the following main key words: “potential acuity meter,” “retinometer.” and “retinal acuity meter,” as well as the MeSH term “cataract surgery.”EVIDENCE SYNTHESIS: Six articles were included in this study. A retinometer was shown to have a visual potential accuracy rate of 60%, with a higher proportion of samples showing moderate cataracts. In addition, the potential vision tests yielded average results, although they underestimated the actual visual potential found during examinations.CONCLUSIONS: A potential acuity meter is a tool that can be employed as a predictive measure prior to cataract surgery because it can help to identify potential complications or abnormalities in the posterior segment in cases of suspected under-correction. The accuracy of this predictive tool is contingent upon several factors, including the size of the sample, categorization of the sample, and density of the cataract.

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