- Scottish Sensory Centre (SSC). Medical Information on Hypermetropia. 2020.
- Simpson CL, Wojciechowski R, Oexle K, Murgia F, Portas L, Li X, Verhoeven VJM, Vitart V, Schache M, Hosseini SM. Genome-wide Meta-Analysis of Myopia and Hyperopia Provides Evidence for Replication of 11 Loci. PLoS One. 2014; 9: e107110.
- Yoon KC, Mun GH, Kim SD, Kim SH, Kim CY, Park KH, Park YJ, Baek SH, Song SJ, Shin JP. Prevalence of Eye Diseases in South Korea: Data From the Korea National Health and Nutrition Examination Survey 2008-2009. Korean J Ophthalmol. 2011; 25: 421-433.