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In 1980, Dr. Pruett, an optometrist, traveled to Mexico to perform pro-bono eye exams for children. Instead of treating just a few children, he found that their families - and many more families - also needed help.

Because of their environment and lack of access to medical care, Dr. Pruett recognized that many people in Mexico had terribly dense cataracts which impacted their vision and consequently their lives. 

Tom put together groups of optometrists and ophthalmologists to do medical missions in Mexico. These early missions were held in homes, shops, garages and anywhere else where they could be arranged.

Due to the continued high demanded for treatment, Pruett turned to Rotary and his church for help. Walter Branson, a member of The Rotary Club of Brazosport, Texas, has been involved with the clinic since 1983. 

The original project - which was planned to last three years - was for a portable surgery center that could be used for surgeries and clinics throughout the state of Chihuahua. 

The rough terrain made maintaining the trailer difficult. Undeterred, Branson says they reached out to Rotary clubs in Chihuahua in hopes of finding a permanent location and found the Rotary Club of Cuauhtémoc, the only club based in the mountains of Chihuahua.

The Rotary club took the group to a small town (of about 10,000 people) called Guerrero located in central Chihuahua and located 300 miles from the US border.

The community of Guerrero rallied around the project. Its mayor worked alongside Rotary to find funding. Although only $10,000 was secured, the funds were immediately used to build an updated facility that is now known as the Guerrero Clinic.

The clinic was renovated and improved in April of 2014. At that time, a 5,000 square foot dining/meeting hall (Donated by the Sweeny Texas Rotary club) was erected. 

In 2017, The Pruett building was built and dedicated to Dr. Tom Pruett's decades of love and service to the people of Mexico through the Guerrero Clinic. The Pruett building hosts a kitchen, dining area, and bathroom facilites for the clinic's patients.

The clinic, as it stands today, was originally a project of Rotary clubs in districts 5890 (Houston) and 4110 (Mexico). While these districts continue thier support, the clinic's support has grown. 

Rotary clubs in other districts - such as Dallas (5810), Massachusetts (7930) and San Francisco (5150) - have also provided material support, grants and volunteers. 

While the Guerrero Clinic was founded as a Rotary Clinic, the clinic has developed partnerships and relationships with other fabulous people and organizations such as the Lions Clubs and Volunteer Optometric Service to Humanity (VOSH). These organizations have provided a significant amount of medical volunteers.

Since 2010, people have volunteered at the clinic from at least 23 states in the U.S. and from six countries (United States, Mexico, Canada, Brazil, England and the Dominican Republic) 

The clinic encourages optometry students (as well as other young people interested in medicine) to volunteer alongside experienced optometrists, surgeons, dentists and opticians. The practical experience gained elevates their education as the students see things in our clinic that they won't see or experience in the U.S..


Alcon Labs, a healthcare and eye care company, has continuously and generously donated medical supplies throughout the years. Alcon is a key partner in the clinic's success.

During its 40 years of operating, the clinic has seen 60,000 indigent patients - all at no cost to the patients.

Today, the clinic sees patients at least four times a year and provides a variety of free healthcare services, including dental, women's health (pap smears), general medicine, plastic surgery (cleft palates, amputations, and skin grafts), and cancer screenings. The biggest focus is eye care, with up to 650 cataract surgeries performed per year.

“The governor of the state of Chihuahua has said that Guerrero Clinic provides 60% of indigent care in the state, which is the largest state in the country,” Branson says. “Cataracts are a big issue in the region. It’s not uncommon for cataracts to develop at an early age in Chihuahua. Our youngest patient was seven years old.”

Up to 1,000 patients are treated each time the clinic is open. As a result, the town of Guerrero provides public buildings to house patients during clinics.

“Word of mouth has spread throughout the country. People have come to the clinic from over 1,200 miles away,” Branson says. “One couple brought their baby, who needed a cleft palate surgery, and had worked their way from Acapulco to Guerrero because they had no money to pay for the surgery otherwise.”

To sustain the Guerrero Clinic, it not only takes the support of the community in Guerrero but cooperation with and between the neighboring countries of Mexico and the United States.

Dr. Tom Pruett, founder of the clinic, still active in the clinic. Enjoys working with young ODs and students.



The Guerrero Clinic is a non-profit organization that aims to provide free medical services to those in need in the state of Chihuahua, Mexico. Our team is made up of dedicated healthcare professionals who are committed to improving the lives of the indigent populations surrounding Guerrero, Chihuahua. We provide free cataract surgeries, eyeglasses, and dental procedures to those who cannot afford them. Our mission is to ensure that everyone has access to quality healthcare, regardless of their financial situation.

At The Guerrero Clinic, we believe that everyone deserves access to quality healthcare. That's why we work tirelessly to provide free medical services to those who cannot afford them. Our team is made up of dedicated healthcare professionals who are committed to improving the lives of the indigent populations surrounding Guerrero, Chihuahua. We provide free cataract surgeries, eyeglasses, and dental procedures to those who need them most. Join us in our mission to make quality healthcare accessible to all.

The Guerrero Clinic provides free cataract surgery to patients in need throughout the state of Chihuahua in Mexico. We also provide eyeglasses and dental procedures to indigent populations surrounding Guerrero, Chihuahua.

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