Tehran University of Medical Sciences Auditory and Vestibular Research 2423-480X 22 1 2017 07 31 50 57 Maryam Sadat Momen Vaghefi Department of Speech therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran Laya Gholomi Tehrani Department of Speech therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran Tahereh Sima Shirazi Department of Speech therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran Mohammad Rezaei Department of Speech therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran Mahdi Rahgozar Department of Statistic, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran 2017 05 30 Background and Aim: Phonological processing skills include the abilities to restore, retrieve and use memorized phonological codes. The purpose of this research is to compare and evaluate phonological processing skills in 6-7 year old blind and sighted Persian speakers in Tehran, Iran. Methods: This research is an analysis-comparison study. The subjects were 24 blind and 24 sighted children. The evaluation test of reading and writing disorders in primary school students, linguistic and cognitive abilities test, and the naming subtest of the aphasia evaluation test were used as research tools. Results: Sighted children were found to perform better on phoneme recognition of nonwords and flower naming subtests; and the difference was significant (p<0.001). Blind children performed better in words and sentence memory; the difference was significant (p<0.001). There were no significant differences in other subtests. Conclusion: Blind children’s better performance in memory tasks is due to the fact that they have powerful auditory memory. https://avr.tums.ac.ir/index.php/avr/article/view/332