The failure to maintain binocular function (keeping the two eyes working together) while working
up close is known as convergence insufficiency. When focused on a word or object at a close
distance, one eye will frequently turn outward (intermittent exotropia).
Headaches when reading and diplopia (double vision) are signs of convergence insufficiency. Many
patients will lament their inability to focus on close work (computer, reading, etc.), as well as how
the written words move and blur after extended hours of reading. When reading, patients may be
noted squint or one eye closed. Convergence insufficiency symptoms can vary, and not every
patient will experience every symptom.
Convergence exercises are frequently used to correct convergence insufficiency in children. An
orthoptist (a medical technician with specialized training in ocular muscle function and binocular
vision) or an ophthalmologist may recommend these exercises. Depending on the patient’s age and
the patient’s preferences, the appropriate treatment strategy will be chosen for each individual
Exercises to strengthen the convergence may result in a lasting cure for patients with convergence
insufficiency. Following convergence therapy, continuing near work usually aids in maintaining
proper convergence after treatment is discontinued. Convergence insufficiency symptoms can recur
following illness, sleep deprivation, or increasing near-work demands. If the initial course of
treatment was effective, a second round of treatment may also be effective at reducing reoccurring
However, some patients do not respond to exercises or prism glasses. In these cases, surgical
intervention may be suggested.
At The Eye Center- Dr. Mahnaz Naveed Shah & Associates our team of eight ophthalmology
subspecialists/ eye specialists, eye surgeons who are considered amongst the very best eye
specialists in Karachi and in Pakistan, have the diagnostic and treatment capabilities to treat from
the simplest to the most complex patients. We work hard to provide our patients with the best
possible medical and surgical eye care, in a state of the art purpose built eye care facility. We
offer the entire array of medical, laser and surgical treatments to help provide patients the best
possible care in the most efficient, safe and ethical manner.
If you need an appointment, please contact us at 03041119544 during our working hours or leave
us a WhatsApp message at +923028291799 and someone will connect with you. Walk-in
appointments are also available for emergencies. We can also be reached through our web portal

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