Myopia Related With Elevated Danger of POAG

Myopia Related With Elevated Danger of POAG

Myopia is related to larger odds of creating primary open-angle glaucoma (POAG), based on a brand new research revealed in JAMA Ophthalmology. This affiliation was robust in beneficiaries of Asian, Black, and Hispanic identification in contrast with non-Hispanic White beneficiaries.

Myopia, also referred to as nearsightedness, is a typical refractive dysfunction, with the Nationwide Eye Institute estimating that fifty% of the world’s inhabitants can have myopia by 2050. Myopia has been discovered prior to now to be a doable danger issue for POAG, which is the commonest kind of glaucoma in the US and the second main reason behind imaginative and prescient loss on this planet. This research aimed to search out the affiliation between myopia and POAG in Medicare beneficiaries in California in 2019 and to find out whether or not race and ethnicity had been related to this relationship.

The inhabitants of the 2019 CA Grasp Beneficiary Abstract File and the Customary Analytic Information of half B Provider Declare recordsdata from CMS had been used for the research. POAG was examined as both any POAG or no POAG and by severity ranges of delicate, reasonable, and extreme. Indeterminate stage and unspecified had been additionally used as severity classes. Myopia was assessed utilizing severity ranges of no myopia, myopia with out degenerative adjustments, and degenerative myopia.

Race and ethnicity had been outlined as Asian, Black, Hispanic, non-Hispanic White, and different (American Indian/Alaskan Native, unknown, and different race and ethnicity) utilizing knowledge from the California Medicare enhanced race and ethnicity codes. Contributors had been additionally characterised by age, intercourse, and systemic illness burden.

There have been 60,211 beneficiaries inside the California Medicare beneficiaries database who had myopia and 171,988 beneficiaries who had POAG. A complete of 346,723 people recognized as Asian; 117,856 as Black; 430,597 as Hispanic; 1,705,807 as White; and 115,363 as different out of the two,717,346 California Medicare beneficiaries within the database.

Beneficiaries had elevated odds of POAG once they had myopia in contrast with beneficiaries with out myopia (odds ratio (OR), 2.41; 95% CI, 2.35-2.47). Myopia was additionally related to elevated odds of contracting POAG in all racial and ethnic gropus, with the strongest associations seen in beneficiaries who recognized as Asian (OR, 2.74; 95% CI, 2.57-2.92), Black (OR, 2.60; 95% CI, 2.31-2.94), and Hispanic (OR, 3.28; 95% CI, 3.08-3.48); those that recognized as White had a decrease affiliation (OR, 2.14; 95% CI, 2.08-2.21).

Elevated adjusted odds of POAG had been present in beneficiaries who had myopia in contrast with those that had been with out (adjusted OR (aOR), 2.13; 95% CI, 2.07-2.19) and beneficiaries with degenerative myopia (OR, 4.19; 95% CI, 3.79-4.41). Myopia with out degenerative adjustments in contrast with no myopia was related to larger odds of contracting POAG in beneficiaries who had been Black (OR, 2.49; 95% CI, 2.19-2.82) and Hispanic (OR, 3.15; 95% CI, 2.95-3.36) vs those that recognized as White (OR, 1.84; 95% CI, 1.84-1.97).

Greater odds of all ranges of POAG severity had been present in these with myopia in contrast with these with out:

  • Different POAG: OR, 1.93 (95% CI, 1.86-2.01)
  • Delicate POAG: OR, 2.22 (95% CI, 2.14-2.23)
  • Average POAG: OR, 2.32 (95% CI, 2.23-2.41)
  • Extreme POAG: OR, 2.91 (95% CI, 2.78-3.05)

This relationship was strongest in reasonable and extreme POAG for Asian beneficiaries and Hispanic beneficiaries in contrast with White beneficiaries:

  • Asian beneficiaries:
    • Average POAG: OR, 2.64 (95% CI, 2.40-2.91)
    • Extreme POAG: OR, 3.55 (95% CI, 3.18-3.96
  • Hispanic beneficiaries:
    • Average POAG: OR, 2.84 (95% CI, 2.57-3.14)
    • Extreme POAG: OR, 3.83 (95% CI, 3.45-4.26)

Limitations on these research findings embody that particular diopters of refractive error couldn’t be evaluated as a result of solely 2 ranges of myopia had been assessed, and diagnoses could not have been captured attributable to clinician coding. Additionally, the share of members with noticed myopia presence was considerably decrease than in earlier research. Diagnostic suspicion and detection bias had been doable.

The researchers concluded that those that had myopia had elevated odds of contracting POAG based mostly on the 2019 California Medicare inhabitants. Race and ethnicity performed a job in POAG danger, with the next danger of POAG and extreme POAG in these of Asian, Black, and Hispanic descent.


Yao M, Kitayama Ok, Yu F, Tseng VL, Coleman AL. Affiliation between myopia and first open-angle glaucoma by race and ethnicity in older adults within the Californian Medicare inhabitants. JAMA Ophthalmol. Printed on-line April 27, 2023. doi:10.1001/jamaophthalmol.2023.1007

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