Pattern one
The multi-screen professional
Long hours across displays at different distances, intermittent diplopia by mid-afternoon. Almost always a decompensating latent deviation; fusion range work and sometimes a small prism.
Most adults who develop double vision in their thirties or forties do not have a new squint. They have an old latent deviation that the visual system compensated for silently, for decades, until a long-hours screen or precision-work job exhausted the reserve. That is measurable and, in most cases, treatable. Delivered across Pune and Pimpri-Chinchwad by secure telehealth.
A latent deviation is a tendency for the eyes to drift that the fusion system corrects continuously and invisibly. It costs effort, and the budget is finite.
For most people that effort is trivial and the deviation never becomes apparent. Raise the demand — nine hours across two or three screens at different distances, or precision work under magnification — and the same deviation that was silent at twenty becomes symptomatic at thirty-five. Nothing changed in the eyes. The load changed.
This matters because the treatment target is the reserve rather than the deviation. Widening the fusion range gives the system more headroom, so the same daily demand no longer exhausts it. Where the deviation is too large for that alone, a compensating prism reduces how much correction is needed in the first place.
A decompensating latent deviation and a genuinely new-onset adult squint look similar to the patient and are entirely different clinically. New-onset strabismus in an adult requires a medical cause to be excluded first. We separate the two at the assessment, and if the picture points at the second we refer rather than treat.
Sudden, constant or painful double vision is a different matter entirely and needs urgent medical assessment, not a therapy appointment.
One live session a week with short daily home practice, timed around campus and shift patterns across Pune and PCMC.
Finding the starting point
A baseline built to be repeated: the same targets, distances and sequence each time, since control grading is the measure most easily distorted by inconsistent testing.
Sorting the prescription
The prescription settled first, with the adaptation interval timed into a lighter teaching week rather than across assessments.
Building the function
Progressive vergence load adjustable by the patient between supervised sessions, with a written practice log that makes a self-managed programme reviewable.
Checking the gain
Assessment against the original figures at session eight, then a taper rather than a stop, because control gained during term and abandoned over a break is control lost.
Pune and Pimpri-Chinchwad
Technology campuses to the west, an engineering and automotive belt to the north, and a very large student population produce three quite distinct groups.
Pattern one
Long hours across displays at different distances, intermittent diplopia by mid-afternoon. Almost always a decompensating latent deviation; fusion range work and sometimes a small prism.
Pattern two
Inspection or bench work under magnification, where a small vergence error costs accuracy. Symptoms present as fatigue and error rate rather than as double vision.
Pattern three
Late teens or early twenties in full-time study, comfortable for an hour and finished by two. Frequently attributed to concentration, frequently a binocular finding.
Across Pune and Pimpri-Chinchwad we work with people in
We do not certify vision for occupational or licensing purposes. We will measure the relevant functions and tell you honestly where you stand.
Untreated, a decompensating deviation usually does drift further, because the reserve that is failing continues to be loaded daily. It does not typically become a constant, visible squint in an adult, but the symptomatic window tends to widen: what began as an afternoon problem becomes an all-day one. That trajectory is the argument for measuring it now. Whether treatment is worth it depends on your current fusion range, which is the first thing the assessment establishes.
Often, yes, and we will say so if it is. A compensating prism moves the image to where your eyes naturally sit and can relieve symptoms immediately with no ongoing effort. The trade-off is that the underlying reserve does not improve and the prism strength sometimes needs to increase over time. Therapy is slower and more demanding but aims to leave you needing nothing. For an adult with a demanding job and a small deviation, a prism is frequently the pragmatic answer, and we would rather recommend that than sell you a programme.
Yes. The live sessions are weekly and can be scheduled at almost any hour, including before an early shift or after a late one, and the home practice is fifteen to twenty minutes that can sit anywhere in your day. What matters is that the home work happens most days; the timing does not. If your rotation changes month to month, tell us the pattern at the assessment and we will book against it rather than asking you to fit a fixed slot.
An appearance of misalignment where the eyes are in fact straight, most often caused by a wide nasal bridge or prominent epicanthic folds that obscure the inner sclera and make the eye look turned inward. It is a common and entirely benign finding. It is distinguished from a genuine deviation by a corneal reflex test and a cover test, which take moments. A photograph alone cannot make the distinction reliably.
By tracking control rather than angle, at consistent intervals, using the same grading each time. What we are watching for is the proportion of the day the deviation is manifest, whether recovery after dissociation is becoming slower, and whether stereoacuity is deteriorating. A stable picture can be reviewed periodically without intervention. Deteriorating control, or a fall in stereoacuity, is the point at which waiting stops being a reasonable plan.
Clinics in the South · Telehealth Everywhere Else
Delivered to Pune and PCMC by secure telehealth — in-person prism testing at our Chennai and Hyderabad clinics.
A telehealth assessment measures your fusion range and tells you whether the answer is therapy, a prism, or a referral. Available across Pune and Pimpri-Chinchwad.