Our current Ophthalmology residents.
Remington Horesh, DO, PGY-IV, is the Chief PGY4 Ophthalmology Resident with the Philadelphia College of Osteopathic
Medicine. Growing up in sunny South Florida, he earned his Bachelor's Degree in Biotechnology
along with a minor in Chemistry from the University of Florida. He subsequently received
his medical degree at Lake Erie College of Osteopathic Medicine's Bradenton campus
in 2015. In 2016, he completed his internship with PCOM and now continues with the
program to advance his clinical and surgical training in ophthalmology. After hours,
Remington spends his time playing music, traveling, and training in the Martial Arts.
Usma Chatha, DO, PGY-III, is a PGY3 Ophthalmology Resident with the Philadelphia College of Osteopathic Medicine.
Originally from Pittsburgh, PA, she earned her Bachelor’s Degree in Neuroscience from
the University of Pittsburgh in 2011. Usma then completed her medical training at
Philadelphia College of Osteopathic Medicine. She was actively involved in research
at Wills Eye Hospital during her medical education and presented on the effects of
glaucoma surgery on macular thickness at the national ARVO convention in May 2015.
In her free time, Usma enjoys traveling, cooking, drawing and spending time with friends
and family.
Sarah Bonaffini, DO, PGY-II, is a PGY2 Ophthalmology Resident with the Philadelphia College of Osteopathic Medicine.
She recently completed her internship in medicine and is currently a first year ophthalmology
resident. Originally from a small town in Northern Virginia, she graduated from the
University of Pittsburgh with a Bachelor of Science in Neuroscience and minors in
both Chemistry and Classical Civilization. She then participated in the Health Science
program at the University of Pennsylvania in Philadelphia and worked at the Scheie
Eye Institute as a scribe in retina and oculoplastics before moving to Florida to
attend medical school. In 2017 she earned her Doctorate of Osteopathic Medicine from
Lake Erie College of Osteopathic Medicine. She has published research in JAMA Ophthalmology,
Ophthalmology and Gene Expression Patterns. Her JAMA paper received an award for one
of the top read articles of 2015 and influenced change in the political realm of ophthalmology.
Her latest research in retinopathy of prematurity has been submitted for publication.
During her spare time, she does yoga, is an explorative eater in the Philly food scene
and spends time with her cat Norman.
Christopher Baloga, DO, PGY-II, is a PGY2 Ophthalmology Resident with the Philadelphia College of Osteopathic Medicine. After growing up in Northeastern Pennsylvania, Chris attended Wilkes University, earning a Bachelor’s Degree in Biology and a minor in Chemistry. He received his medical degree from Philadelphia College of Osteopathic Medicine and subsequently entered private practice. Chris is pleased to return to PCOM for his clinical and surgical training in ophthalmology. In his free time, Chris enjoys spending time with his family, traveling and sporting events, especially baseball.
