
Isa Sayyeed Karim Mohammed, MD
Cataract and Refractive SurgeryCornea and External Diseases
Highlights
Age Groups Seen
- Young Adult 18-25
- Adult 26-64
- Older Adult 65+
Languages
- English
Gender
MaleJohns Hopkins Affiliations:
- Johns Hopkins School of Medicine Faculty
About Isa Sayyeed Karim Mohammed
Professional Titles
Director of Refractive Surgery
Primary Academic Title
Assistant Professor of Ophthalmology
Johns Hopkins Physician
Background
Isa Mohammed, M.D. is the director of refractive surgery and the associate program director of the ophthalmology residency program at the Wilmer Eye Institute, Johns Hopkins Medicine. Dr. Mohammed specializes in cornea, cataract, and refractive surgery. He performs complex cataract surgery, corneal transplantation (penetrating keratoplasty, deep anterior lamellar keratoplasty, and descemet stripping automated endothelial keratoplasty and descemet membrane endothelial keratoplasty) and the entire range of refractive surgery, including laser-assisted in situ keratomileusis, photorefractive keratectomy and implantable collamer lenses surgery.
Dr. Mohammed earned an undergraduate degree in biomedical engineering at The Johns Hopkins University and then received his medical doctorate from the University of Maryland School of Medicine. He completed an ophthalmology residency at the University of Maryland Medical Center, where he received both the Outstanding Resident Award and the Malouf Resident Research Award for excellence in research. He then completed more subspecialty training in cornea and refractive surgery at the renowned Cole Eye Institute at the Cleveland Clinic.
Research Interests
Refractive surgery, cataract surgery, corneal transplantation, international ophthalmology.
Research Summary
Dr. Mohammed's research focuses on clinical refractive surgery in order to improve refractive outcomes for patients having cataract, corneal or refractive surgery. His research is also on the use of anterior segment optical coherence tomography to detect eyes at risk for developing corneal ectasias in order to reduce long term complications following refractive surgery. Additionally, he studies global barriers to refractive surgery and cataract surgery with hopes to reduce the worldwide burden of blindness.
Selected Publications
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Mohammed ISK, Tran S, Toledo-Espiett L, Munir WM. The Detection of Keratoconus Using Novel Metrics Derived by Anterior Segment Optical Coherence Tomography. International Ophthalmology, 2022 Jan; 1–10.
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Lin A, Mohammed ISK, Munir WM, Munir S, Alexander J. Inter-rater Reliability of Manual Anterior Segment-OCT Image Grading in Keratoconus. Eye & Contact Lens, 2021; 47(9): 494-499.
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Lin AN, Mohammed ISK, Munir WM, Munir SZ, Maripudi S, Wei L, Alexander JL. Repeatability and Reliability of Semi-automated Anterior Segment-Optical Coherence Tomography Imaging Compared to Manual Analysis in Normal and Keratoconus Eyes. International Ophthalmology, 2023 Oct; 1–7.
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Mohammed ISK, Jeng BH. Atypical Mycobacterial Infections. Infections of the Conjunctiva and Cornea: Das S, Jhanji V (eds). Springer Nature (in press).
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Wei L, Mohammed ISK, Francomacaro S, Munir WM. Evaluating Text-based Generative Artificial Intelligence Models for Patient Information Regarding Cataract Surgery. Journal of Cataract & Refractive Surgery, Jan 2024; 50 (1).
Honors
- Honors in Biomedical Engineering, The Johns Hopkins University
- Maryland Delegate and Senatorial Scholarship, Maryland Legislature
- Malouf Resident Research Award
- Outstanding Resident in Ophthalmology Award
Memberships
- American Academy of Ophthalmology
- American Society of Cataract and Refractive Surgery
Locations
- Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
- 10753 Falls Road, Pavilion II STE 455, Lutherville, MD 21093
- Get Directions
- phone: 410-583-2800
- fax: 410-583-2842
Expertise
Education
- Fellowship: Cleveland Clinic, Cornea/External Disease and Refractive Surgery, 2022
- Residency: University of Maryland Medical Center, Ophthalmology, 2021
- Medical Education: University of Maryland School of Medicine, MD, 2017
Board Certifications
- Ophthalmology: American Board of Ophthalmology, 2022
Ratings & Reviews
4.8 out of 5
402 ratings, 151 reviewsThe Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.
- 5 out of 5 starsReviewed on 3/25/2026
Great experience
- 5 out of 5 starsReviewed on 3/13/2026
Dr Cox was fantastic
- 5 out of 5 starsReviewed on 3/13/2026
Excellent care
- 5 out of 5 starsReviewed on 3/10/2026
I was very pleased. He had a great bedside manner.
- 5 out of 5 starsReviewed on 3/5/2026
Dr. Isa S. Mohammed is very knowledgeable in treating eye problems. He is attentive when attending to a patient.
- 5 out of 5 starsReviewed on 3/4/2026
DR. Isa Mohammed was professional, friendly, courteous and well-informed. I felt confident in his care.
- 5 out of 5 starsReviewed on 3/4/2026
This was the first time meeting him. He was kind, efficient and explained the details well.
- 5 out of 5 starsReviewed on 3/4/2026
Friendly and professional. Listened to my concerns and treated me with respect.
- 5 out of 5 starsReviewed on 3/4/2026
Dr. Mohammed is an outstanding doctor who took the time to tell me about my options for treatment, and the pros & cons of each. We mutually agreed on an option and he is making it happen.He is very personable, friendly, and caring.
- 5 out of 5 starsReviewed on 3/3/2026
Dr. Mohammed is calm, a good listener, is good communicator and very handsome.
- 4 out of 5 starsReviewed on 3/3/2026
Dr. Mohammed was very thorough and attentive to my eye problem.
- 5 out of 5 starsReviewed on 2/27/2026
The organization functions like a,well informed team
- 5 out of 5 starsReviewed on 2/25/2026
He spoke in laymen terms and was knowledgeable about my condition.
- 5 out of 5 starsReviewed on 2/24/2026
I am satisfied with his way explaining and tresting my issues.
- 5 out of 5 starsReviewed on 2/24/2026
Competent in his profession with high regard for a great out- come.
- 5 out of 5 starsReviewed on 2/24/2026
Very professional.
- 5 out of 5 starsReviewed on 2/24/2026
Provider created comfortable environment to ask questions and assist with decision making.
- 5 out of 5 starsReviewed on 2/19/2026
Warm, sincere affect. Exudes confidence and competence.
- 5 out of 5 starsReviewed on 2/18/2026
Thank you
- 5 out of 5 starsReviewed on 2/17/2026
I feel confident with the health of my eyes and my vision at the Wilmer Eye Institute
- 5 out of 5 starsReviewed on 2/11/2026
Excellent!
- 5 out of 5 starsReviewed on 2/11/2026
Excellent
- 5 out of 5 starsReviewed on 2/11/2026
Excellent in knowledge of my health condition
- 5 out of 5 starsReviewed on 2/10/2026
Dr Karim, [staff] (spelling) and the technician who performed the exams were great. They were friendly, patient, and knowledgeable about my health issues.
- 5 out of 5 starsReviewed on 2/10/2026
Dr. Mohammed was kind, professional and performed an amazing operation to remove my cataract! He is terrific.
- 5 out of 5 starsReviewed on 2/10/2026
New to me, but is caring.
- 3 out of 5 starsReviewed on 2/10/2026
Not much time with doc, seemed very competent.
- 5 out of 5 starsReviewed on 2/10/2026
Isa was excellent but waiting was annoying. Nothing was in time
- 5 out of 5 starsReviewed on 2/6/2026
He was thorough and nice. Answered all of my questions well.
- 5 out of 5 starsReviewed on 1/27/2026
I would say Dr. Mohammed is a miracle worker
- 5 out of 5 starsReviewed on 1/27/2026
I was there for a cornea ""scrubbing"" recommended by Dr. Mohammed. He had a small ""team"" in the OR.
- 5 out of 5 starsReviewed on 1/27/2026
Dr. Mohammed is an excellent physician
- 5 out of 5 starsReviewed on 1/27/2026
The procedure was successful and recovery is on schedule
- 5 out of 5 starsReviewed on 1/27/2026
He is highly professional and highly compassionate when communicating with his patients. He makes sure the patient has no ambiguity about his condition and future prospects of the condition.
- 5 out of 5 starsReviewed on 1/15/2026
Doctor Mohammed helped me at a time when I had lost hope. I was faced with the real possibility of having to wear uncomfortable scleral lenses. In a few minutes, he knew what the best treatment should be. In a few weeks, my vision has returned to normal.
- 5 out of 5 starsReviewed on 1/15/2026
He was nice and knowledgeable about what he does.
- 5 out of 5 starsReviewed on 1/14/2026
Visit was regular. Everyone was on time. I was updated on progress that I made.
- 5 out of 5 starsReviewed on 1/14/2026
Excellent provider
- 5 out of 5 starsReviewed on 1/14/2026
Dr. Mohammed is one of the best providers i've ever seen. He came HIGHLY recommended and delivered! He was thorough, kind and took his time explaining the surgical options. I believe he truly treated me like family and trust that i'm in the best hands. I'm excited to get LASIK with him!
- 5 out of 5 starsReviewed on 1/14/2026
Nice guy.
- 5 out of 5 starsReviewed on 1/13/2026
Well qualified
- 3 out of 5 starsReviewed on 1/13/2026
Waited 2.5 hours waiting to be seen. Only noticed once they began shutting down for the day
- 5 out of 5 starsReviewed on 1/13/2026
Very professional
- 5 out of 5 starsReviewed on 1/13/2026
The doctor and the surgery team are top notch. The scheduling is by far the worst I've ever encountered. Issues with scheduling for both of the two cataract surgeries.
- 5 out of 5 starsReviewed on 1/13/2026
Both MD's were excellent.
- 5 out of 5 starsReviewed on 1/13/2026
Dr. Spoke in laymen terms. Was very helpful in answering my questions. Spent time making me feel comfortable. Highly recommend him.
- 5 out of 5 starsReviewed on 1/9/2026
I was very impressed with how easy and well my procedure went. I really appreciated how well my doctor communicated with me during the procedure - helped keep my anxiety in check.
- 5 out of 5 starsReviewed on 1/6/2026
Very knowledgeable and good communication and explaining the issues.
- 5 out of 5 starsReviewed on 1/6/2026
He seemed very knowledgeable. This was my first appointment with him. Information that he advised was more more about my eyes than I expected. My future needs are over and above a regular yearly appointment.
- 5 out of 5 starsReviewed on 1/6/2026
I am fortunate to have Dr. Mohammed as my doctor.
- 5 out of 5 starsReviewed on 1/6/2026
Dr. Mohammed and his technicians were very thorough and explained things well.
- 5 out of 5 starsReviewed on 1/6/2026
I VISITED DOCTOR MOHAMMED IN HIS OFFICE, THEN WE SCHULED A TIME FOR CATARACT SURGERY FOR ONE EYE ON JANUARY 5 AND I WILL BE HAVING THE OTHER EYE ON JANUARY 26. HE WAS RECCOMENDED TO ME BY TWO FRIENDS WHO HAD SURGERY WITH HIM.
- 5 out of 5 starsReviewed on 12/23/2025
Dr. Mohammed is a superior.surgeon. His expert skills and compassion are blessings.
- 5 out of 5 starsReviewed on 12/23/2025
Excellent
- 5 out of 5 starsReviewed on 12/23/2025
Thank you
- 5 out of 5 starsReviewed on 12/23/2025
Very efficient
- 4 out of 5 starsReviewed on 12/17/2025
I did not se the Dr. Until over an hour from my appointment time.
- 5 out of 5 starsReviewed on 12/17/2025
He was very easy to talk with and explained well.
- 5 out of 5 starsReviewed on 12/16/2025
Very respectful in his demeanor. Explained things clearly. Wasn't in a rush to leave the appointment; made sure I understood his explanation about my condition. Offered reassurance that ongoing care and treatment is available if needed.
- 5 out of 5 starsReviewed on 12/12/2025
I feel that I can already tell there's improvement.
- 5 out of 5 starsReviewed on 12/10/2025
Knowable, informative, and seems very passionate about caring for each patient individually providing specific needs for
- 5 out of 5 starsReviewed on 12/10/2025
Excellent
- 5 out of 5 starsReviewed on 12/9/2025
One of the best, no issues.
- 5 out of 5 starsReviewed on 12/4/2025
Provider responded to all my questions
- 5 out of 5 starsReviewed on 12/4/2025
Excellent appointment with this doc. Referred to him by [staff] so I felt comfortable discussing my very difficult 15 months after a botched cataract surgery by [staff].
- 4 out of 5 starsReviewed on 12/3/2025
Dr. Mohammed was fine, thought the visit with him was at the very end and seemed short. He earned my trust and confidence
- 5 out of 5 starsReviewed on 12/3/2025
Very friendly and listened to my eye issues.
- 5 out of 5 starsReviewed on 11/25/2025
Dr. Mohammed, [staff], and [staff] are consummate professionals with excellent communication skills. I am grateful they were my surgeons/anesthesiologist.
- 4 out of 5 starsReviewed on 11/25/2025
Provider could have been more thorough when responding to my questions. I felt dismissed at the end of the appointment
- 5 out of 5 starsReviewed on 11/25/2025
Well managed team of professionals
- 5 out of 5 starsReviewed on 11/20/2025
Excellent and a good listener.
- 5 out of 5 starsReviewed on 11/19/2025
Visit was good..only issue was that it took longer than expected..I just made my pickup ride back. 6
- 4 out of 5 starsReviewed on 11/19/2025
Thoughtful, upbeat, gave suggestions
- 5 out of 5 starsReviewed on 11/14/2025
Excellent care snd results!
- 4 out of 5 starsReviewed on 11/14/2025
Very busy limited time to discuss options
- 5 out of 5 starsReviewed on 11/12/2025
Very professional, offered alternatives, did not feel rushed. Would definitely recommend to other friends and relatives.
- 5 out of 5 starsReviewed on 11/11/2025
He was recommended to me and I met with him & I like him. I am feeling confident that he can provide the surgery that I need.
- 5 out of 5 starsReviewed on 11/11/2025
Dr. Mohammed is a very gentle, kind, thoughtful, diligent, smart individual! He works miracles! His knowledge and calm manner put you at ease in the office and day of surgery.
- 5 out of 5 starsReviewed on 11/11/2025
Could not be better
- 5 out of 5 starsReviewed on 11/5/2025
Great
- 5 out of 5 starsReviewed on 10/28/2025
Everything went well. A+++
- 5 out of 5 starsReviewed on 10/28/2025
He was extremely professional, knowledgeable and respectful.
- 5 out of 5 starsReviewed on 10/24/2025
I did not have any contact with Dr other than Mychart. I went into the procedure with no real contact or discussion of what to expect
- 5 out of 5 starsReviewed on 10/22/2025
Personable and efficient. Provided helpful information.
- 5 out of 5 starsReviewed on 10/22/2025
Professional respectful cheerful smile informative.
- 5 out of 5 starsReviewed on 10/21/2025
Handled routine visit very capably
- 5 out of 5 starsReviewed on 10/16/2025
Friendly consummate professional who clearly loves his chosen field
- 5 out of 5 starsReviewed on 10/15/2025
Knowledgeable, and professional
- 5 out of 5 starsReviewed on 10/14/2025
He performed beyond my expectations
- 5 out of 5 starsReviewed on 10/14/2025
I found him and his associates to be professional, careful, and focused.
- 5 out of 5 starsReviewed on 10/14/2025
Dr Mohammed is an excellent doctor
- 5 out of 5 starsReviewed on 10/9/2025
Things seem to be very efficient.
- 5 out of 5 starsReviewed on 10/8/2025
Excellent
- 5 out of 5 starsReviewed on 10/8/2025
This was checkup regarding cataract surgery. All involved were professional and very informative and helpful. Left with all info I need to proceed if I choose
- 4 out of 5 starsReviewed on 10/8/2025
He made sure I understood my condition
- 5 out of 5 starsReviewed on 10/7/2025
Respectful
- 5 out of 5 starsReviewed on 10/7/2025
My provider paid attention to what I asked and was helpful In explaining follow-up procedures
- 5 out of 5 starsReviewed on 10/2/2025
I'm very anxious about my eyes and I must say that the doctor and everybody that dealt with me did not belittle me for me feeling anxious they took care
- 5 out of 5 starsReviewed on 9/30/2025
Very professional and extremely polite.
- 5 out of 5 starsReviewed on 9/23/2025
Dr Mohammed was very courteous and efficient
- 5 out of 5 starsReviewed on 9/17/2025
Very pleased and satisfied with Dr.who is very knowledgeable.
- 5 out of 5 starsReviewed on 9/17/2025
Goodness
- 5 out of 5 starsReviewed on 9/16/2025
Excellent doctor.
- 5 out of 5 starsReviewed on 9/16/2025
Very professional and courteous
- 5 out of 5 starsReviewed on 9/3/2025
Dr Mohammed is an excellent surgeon and doctor. From day one he was very up front about hubby's transplant and a very pleasant, knowledgeable M.D.
- 5 out of 5 starsReviewed on 9/2/2025
Dr. Mohammed is patient and thorough. He explained my treatment options in detail and made it easy for me to select the best course of treatment.
- 4 out of 5 starsReviewed on 8/26/2025
Very professional and concise.
- 5 out of 5 starsReviewed on 8/7/2025
Dr. Isa Mohammed is an excellent ophthalmologist and teacher. My eyes are healed after cataract surgery and my vision is tremendously improved. I no longer need eyeglasses except for readers and computer glasses. This is a phenomenal change for me. I haven't seen this well in over 67 years. I am grateful.
- 5 out of 5 starsReviewed on 7/29/2025
He is very thorough and takes time to answer questions about the procedure.
- 5 out of 5 starsReviewed on 7/25/2025
Amazing doctor! So happy I had my procedure performed by him. Absolute professional with top notch expertise.
- 5 out of 5 starsReviewed on 7/23/2025
I have corneal scaring from using hard contact lenses as a youth. Both physicians that I have seen at Wilmer gave me confidence in their expertise as I move forward toward cataract surgery. Wilmer was highly recommended by my primary physician, and he provided the referral.
- 5 out of 5 starsReviewed on 7/23/2025
It was my first visit to the office to begin the process for cataract surgery. The process was well organized, informative and calming. I left feeling confident in my provider and the team. The follow up arrangements for the surgery have beenTimely and clear.
- 4 out of 5 starsReviewed on 7/23/2025
Good service. My problem was resolved.non bas, all good.
- 5 out of 5 starsReviewed on 7/22/2025
Excellent
- 5 out of 5 starsReviewed on 7/17/2025
He made me feel very comfortable
- 5 out of 5 starsReviewed on 7/15/2025
Caring thoughtful understanding
- 5 out of 5 starsReviewed on 7/15/2025
Personable Professional Thorough & Enthusiastic!
- 5 out of 5 starsReviewed on 7/15/2025
The doctor was very personable and completed the procedure efficiently and promptly.
- 5 out of 5 starsReviewed on 7/9/2025
I fell that the eye exam was excellent
- 5 out of 5 starsReviewed on 7/2/2025
Very good eye contact. Seemed to understand my concerns. Thorough eye exam.
- 4 out of 5 starsReviewed on 7/1/2025
I spent more time with the person testing my eyes and another profesdional than the dictir.
- 4 out of 5 starsReviewed on 6/19/2025
I thought the doctor and the associates were very knowledgeable.
- 5 out of 5 starsReviewed on 6/18/2025
I was very anxious going into this meeting. The customer is the operated to make. The appointment was the only one that I felt that was not caring. Everybody else heard my uncertainty and treated me with respect.
- 5 out of 5 starsReviewed on 6/18/2025
Everyone I've encountered at this practice is top-notch. I have multiple issues with vision & have had to see several Wilmer providers each covering a specific area. Would appreciate not having to make so many trips to office within short period of time.
- 5 out of 5 starsReviewed on 6/17/2025
Dr Mohammed is an excellent, innovative doctor. His treatment of my eye problem has resulted in improved vision and my life style
- 5 out of 5 starsReviewed on 6/10/2025
Excellent
- 5 out of 5 starsReviewed on 6/4/2025
My yearly exam went well with no difficulties
- 5 out of 5 starsReviewed on 5/23/2025
Very professional, very thorough, very personable, excellent surgeon.
- 5 out of 5 starsReviewed on 5/21/2025
The doctor was amazing with providing care and especially showing exceptional patience with my angst.
- 5 out of 5 starsReviewed on 5/21/2025
Good
- 5 out of 5 starsReviewed on 5/20/2025
Dr Mohammed was thorough, patient with all my questions. He explained my procedure and what might be appropriate for me. I have already recommended him to family members and friends. GDS - grateful patient here.
- 5 out of 5 starsReviewed on 5/20/2025
Excellent physician and experience.
- 5 out of 5 starsReviewed on 5/20/2025
I very very fortunate to have been referred to Dr. Mohammed. My cataract surgeries went very well. He is very thorough during after care of procedure. On May 20th he assured me that what I experienced was not due to an optical problem. He has a very caring and calming manner, which I deeply appreciate.
- 5 out of 5 starsReviewed on 5/15/2025
Thoughtful and efficient
- 5 out of 5 starsReviewed on 5/15/2025
Very kind and respectfull
- 5 out of 5 starsReviewed on 5/14/2025
Dr. Isa S. K. Mohammed is wonderful . He is not only knowledgeable but also very personal . I will highly recommend to all my friends and family too .
- 5 out of 5 starsReviewed on 5/14/2025
Dr. Isa was very gentle caring knowledgeable and provided care that served we well.
- 4 out of 5 starsReviewed on 5/13/2025
Seems very competent. Speaks very fast for old folks like me.
- 5 out of 5 starsReviewed on 5/13/2025
Dr. Mohammed did the best he could. With limited info he had (I was receiving treatment from Veterans Medical on Greene Street). Once he reviewed my situation with me he referred me to a glaucoma specialist at Will,er.
- 5 out of 5 starsReviewed on 5/13/2025
Very good
- 5 out of 5 starsReviewed on 5/9/2025
Dr. MOHAMMED was respectful and attentive, He provided a thorough explanation of the procedure before and during the procedure. He answered all my questions.
- 5 out of 5 starsReviewed on 5/7/2025
Dr. Mohammed is the best!
- 5 out of 5 starsReviewed on 5/6/2025
Dr Isa Mohammad was very knowledgeable and answered all my questions about the medications and also the activities that I could and could not do following the eye surgeryMy surgery went really well and I can see very wellAll my questions were answered promptly and everything made sense
- 5 out of 5 starsReviewed on 5/6/2025
He was a excellent but did seem a bit rushed.
- 5 out of 5 starsReviewed on 5/6/2025
Very professional and friendly
- 5 out of 5 starsReviewed on 5/6/2025
Listens
- 5 out of 5 starsReviewed on 5/1/2025
Very good doctor!
- 5 out of 5 starsReviewed on 4/29/2025
Caring and polite
- 4 out of 5 starsReviewed on 4/16/2025
Very efficient.
- 5 out of 5 starsReviewed on 4/15/2025
Dr. Mohammed was wonderful. He took the time to explain things clearly so I would understand exactly what was going to happen during my procedure. I would whole heartedly recommend him to anyone needing eye correction surgery.
- 4 out of 5 starsReviewed on 4/15/2025
Very quick exam