Our Ophthalmologists Give the Best Care for Albany, NY & Beyond

Dr. Mabel Cheng, MD

A board certified ophthalmologist doctor specializing in medical and surgical treatments for the eyes, Dr. Mabel Cheng has been providing cutting edge ophthalmic care to residents of Albany, NY and the capital region since 1991. Dr. Cheng graduated from Columbia University, earning her Master of Science (MS) and Master of Philosophy (MPhil) degrees in nutritional lipid biochemistry before receiving her Doctorate of Medicine degree from the University of California at Davis, where she also did her internship. She then returned to New York, where she did her residency in ophthalmology at Albany Medical Center. Afterwards, she was the chief ophthalmic surgeon for Community Care Physicians (CHP) and later Kaiser Permanente before entering private practice in 1999.

Dr. Cheng is committed to absolute excellence in eye care, performing comprehensive ophthalmology with the latest proven technologies to preserve and enhance her patient’s vision. Operating beyond the standard of care, Dr. Cheng is the area’s only ophthalmologist trained and certified on both femtosecond laser assisted cataract surgery platforms (LenSx and Catalys). This, in conjunction with her expertise with the latest multifocal, toric, and accommodative lens technologies has allowed her patients to experience glasses free vision. In recognition for her work, her practice has been designated as a center of excellence for her skillful use of these technologies.

Dr. Cheng also specializes in the management and surgical care for many other eye diseases including, glaucoma, diabetic retinopathy, dry eyes, drooping lids / brows, blepharitis, and blephrospasms. Her use of advanced statistical analyses and gold standard equipment has prevented or slowed the progression of vision threatening eye diseases in her patients through early detection and monitoring.

In addition to private practice, Dr. Cheng is an assistant professor of ophthalmology at Albany Medical College. She has trained and mentored numerous residents and medical students over the past 20 years and is the advisor to Albany Medical College’s Asian Pacific American Medical Student Association (APAMSA). She also serves as the president of the Albany chapter of the Chinese American Medical Society (CAMS). Through these organizations, she has spearheaded numerous health fairs with the college’s medical students, giving them critical clinical exposure outside of the classroom while also increasing public awareness of ocular diseases.

Dr. Nicole Lemanski, MD

Dr. Lemanski graduated Cum Laude from Hamilton College with a degree in Art History and Biology. She attended Albany Medical College, where she developed an interest for ophthalmology. She completed her internship in Medicine and Surgery at Bassett Hospital in Cooperstown and went on to complete her ophthalmology residency at Albany Medical Center.

After completion of her ophthalmology training, Dr. Lemanski went on to complete a Cornea and Refractive Surgery Fellowship at Boston Eye Group with Dr. Samir Melki and Massachusetts Eye and Ear Infirmary. Dr. Lemanski treats diseases of the cornea including dry eye, infections, keratoconus, pterygium and cataracts. She does LASIK and PRK surgery, corneal transplants and femtosecond laser assisted cataract surgery, as well as providing comprehensive eye care for both children and adults.

Dr. Lemanski participated in clinical research during her medical and ophthalmology training. Most recently while in Boston she was involved with clinical trials examining cornea crosslinking for the treatment of keratoconus.

In her spare time Dr. Lemanski enjoys art, painting, makes jewelry and ceramics and enjoys running and figure skating.

Dr. Maureen Sienko, OD

Dr. Maureen Sienko, OD

Dr. Sienko began her eye care career as an optician and ophthalmic technician in 1974, in a program at the Massachusetts College of Optometry. After receiving her biology degree in 1980 and briefly teaching high school biology, she became an optometry student at the New England College of Optometry in Boston, MA, graduating in 1985.

Dr. Sienko spent four years training with the world-renowned contact lens specialist Dr. Donald Korb in Boston and did additional low vision training at Lighthouse International in New York City with Dr. Eleanor Faye. She completed her residency in Hadassah Hospital’s (Jerusalem, Israel) ophthalmology department, which gave her extensive experience in ocular pathology. Dr. Sienko then moved to the Capital Region where she taught contact lens fitting and refraction to Albany Medical College’s Ophthalmology residents.

Dr. Sienko has lent her extensive expertise in optometry to patients of numerous institutions around the Capital Region including the New York State Department of Correction’s Maximum Security Prisons as well as psychiatric facilities and the New York State Division of Disability Determination.

Dr. Sienko does comprehensive eye exams, contact lens fittings, low vision exams, and diagnoses and treats common eye diseases including glaucoma, diabetic eye disease, and macular degeneration.

In her spare time, Dr. Sienko enjoys biking, decorating and kayaking with her family.

Dr. Cheng

Dr. Cheng performing premium lens surgery at Albany Regional Surgery Center.


Dr. Cheng and Dr. Lemanski training medical students from Albany Medical Center at a local health fair.

Dr. Lemanski

Dr. Lemanski at the VISX Excimer Laser for bladeless vision correction.