Meet the Staff

Always dedicated to excellence, our staff is selected for their professionalism, experience in ophthalmology, and attention to patient comfort and well being. 

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Committed to being Houma and Thibodaux's first and best option. 

Welcome to Bayou Retina Associates, conveniently located off S. Hollywood Drive and Martin Luther King Blvd. We know that retinal care is central to enjoying the gifts that life has to offer - the sight of a beautiful sunset, a moving piece of art, or your grandchild's first smile. Our mission is to help our patients care for their sight in a painless, compassionate, and efficient way.


Satish Arora, M.D.


Dr. Arora is the area's only full time, fellowship trained Retina specialist.
Dr. Arora was born and raised on the Texas Gulf Coast and has resided in South Louisiana for 18 years. He is a graduate of the University of Texas Medical Branch at Galveston, and completed his Ophthalmology Residency at LSUHSC and Ochsner in New Orleans. He then remained at LSU for additional fellowship training in Retinal disease and surgery, helping to rebuild the training program after Hurricane Katrina. He has resided and practiced in the Houma-Thibodaux area for 11 years.

Dr. Arora is the first surgeon to bring Retinal surgery to the Bayou Region. Patients previously were forced to travel to New Orleans or Baton Rouge for these treatments. He specializes in the treatment of macular degeneration, diabetic retinopathy, retinal detachment, ocular trauma, and other retinal disease.

Tisa Acosta


Tisa has worked in Ophthalmology as a Certified Ophthalmic Assistant for 19 years. Tisa serves Bayou Retina Associates as Office Manager and Head Technician. Tisa assist in everyday operation of the office.

Tisa is married and has 3 wonderful blessings. Tisa enjoys her sons' passions of football and baseball. She also spends her spare time shopping to deck out her princess. She also enjoys helping teens encounter God.

Tisa's goal is to ensure that every patient of Bayou Retina Associates feels like family!

Tonya Allemand


Ready to help you at check out and with any insurance needs is our Insurance Specialist, Tonya. With more than 10 years experience in the medical field working with insurance companies, Tonya goes above and beyond to help our patients understand their insurance benefits. Insurances companies can be very frustrating to deal with but with Tonya's assistance the struggle is manageable.

Tonya was born and raised in Houma. Tonya enjoys spending her free time with family and watching her girls in their extracurricular activities.

Maranda Defelice


Welcoming you into Bayou Retina Associates is our Receptionist, Maranda, ready to greet you with a smile and efficiently preparing you for your visit. Born and raised in Houma, Maranda is a mother of 3 children. She enjoys spending her free time with their extracurricular activities. Maranda is eager to help each patient with their individual needs. Maranda has learned how important it is for patients to feel at home at Bayou Retina Associates and she states that she will go above and beyond for each patient. Maranda's goal is to have every patient satisfied with their visit.

Marisa Gwinn, COA


Marisa was born and raised in New Orleans. Marisa is a wife and business owner. She enjoys spending her free time helping her husband with his construction company and volunteer work helping interested ones learn about the bible. Marisa has 10 years of experience serving as a Certified Ophthalmic Assistant. Marisa strives to provide patients with the highest level of care.

Tonniese Smith, COA


Tonniese has been in Ophthalmology for 13 years. Tonniese is a Certified Ophthalmic Assistant here at Bayou Retina Associates where she assist in patient care by performing fluorescein angiograms, fundus photography, and OCTs. Tonniese also assist Dr. Arora with procedures.

Tonniese is a native of Houma. She attended Terrebonne High School and USL. Tonniese is a wife and mother of 3. In addition to supporting her children in all of their extracurricular activities, Tonniese enjoys spending time with family, watching old mystery movies and Christian bible studies.


Liana Zeringue

Liana has been in the ophthalmology field for 6 years. Liana assists patients throughout their visit, from diagnostic testing to assisting Dr. Arora with office procedures. Liana is one of Bayou Retina's angiographers.

Liana is a resident of Thibodaux. In her spare time, she enjoys being outdoors and spending time with her son, friends and family.