health districts, experience, and practice type. Results: Among 130 of the estimated 218 ophthalmologists in PR, insurance/billing issues were identified as the primary challenge to practicing in PR and the primary reason to leave PR. The challenges that were identified included required ...
There also appears to be minimum and maximum threshold levels of spatial scale at which UGS and health have significant associations, with the strongest associations consistently shown between 400 m to 1600 m in different buffer types. We discuss the significance of these results for UGS-health ...