Clinical Stories
Right jaw and eye-area pain while chewing hard foods
This de-identified case began with right eye pain. Later, chewing hard foods brought pain in the right masseter area together with heat and discomfort around the right eye. The mouth opened, but the right jaw made a sound.
This de-identified case began with right eye pain. Later, chewing hard foods brought pain in the right masseter area together with heat and discomfort around the right eye. The mouth opened, but the right jaw made a sound.
Eye pain and burning have many possible causes. The changes recorded in this individual do not guarantee the same diagnosis or response in another person.
The patient first visited in 2024 after symptoms had continued for roughly three years.
The eye hurt first; the jaw later hurt with hard foods
The patient said: “Originally my right eye hurt. Gradually, when I chew hard foods, my right jaw hurts and the area around my right eye feels hot. It seems that when my jaw hurts, my eye hurts too.”
He pointed to the right masseter region. He noticed right jaw and periocular discomfort at the same time when chewing foods harder than usual. Because right-sided symptoms dominated, he was unsure whether anything similar occurred on the left.
Course at a glance
About three years of right eye-area discomfort and right jaw pain with hard-food chewing were assessed together. There were 15 visits: five included injection treatment, ten involved other follow-up care, and a TMJ appliance was part of the plan.
The right joint sound disappeared early while eye pain remained similar for a time. Later the frequency and overall burden of eye pain decreased, although symptoms sometimes returned or changed pattern.
At visit 13, both the eyes and jaw were comfortable. At visit 14, there was no eye pain but both jaws hurt with hard foods. At visit 15, absence of eye and jaw pain was confirmed again and care was ended.
Changes in eye symptoms and jaw-function symptoms were interpreted separately rather than treating them as one outcome.
Can jaw problems be associated with pain around the eye?
TMJ or masticatory-muscle discomfort and periocular pain can occur during the same period. Eye pain alone, however, does not diagnose a TMJ problem.
Eye disease and warning signs are assessed first. Clinicians then consider whether jaw and eye-area symptoms repeatedly vary together with chewing, clenching, or opening.
Jaw movement, opening range, joint sounds, and masticatory-muscle palpation are compared with symptom changes. Reduced eye pain after care is useful course information but cannot prove that the original eye pain came from the TMJ.
Symptoms had continued for about three years
The patient remembered onset around 2020 or 2021. The exact year was not established; the record described roughly three years of discomfort without a sudden recent worsening.
Long-standing symptoms do not necessarily keep the same cause. The onset of eye pain, the later addition of chewing pain, and the current pattern were considered separately.
Hard-food chewing was a useful condition to compare
Hard foods can require stronger masseter activity than soft foods. In this case, pain in the right masseter region and periocular discomfort appeared together under that condition.
Repeated change under the same condition is a useful clue, but simultaneous jaw and eye pain does not establish that the masseter or TMJ caused the eye pain.
The mouth opened, but the right jaw made a sound
The patient did not have a closed-lock state, but reported a right jaw sound on opening. Adequate opening alone does not exclude joint or muscle findings.
A painless sound without functional limitation often needs no treatment. Because chewing pain was also present here, opening range and path, sound timing, and masticatory-muscle findings were assessed together.
Palpation below the right eye was painful
Pressing below the right eye produced pain. Clinicians compared whether its location and quality resembled the patient's usual periocular discomfort.
Palpation tenderness shows local sensitivity but does not by itself identify the cause or establish a diagnosis. Eye status, facial sensation, jaw movement, and masseter and temporalis findings must be compared.
A hot feeling around the eye requires eye-related causes to be considered first
The patient's feeling that the eye area became hot was not a measurement of ocular temperature or intraocular pressure. Ophthalmic, headache, and neurologic causes remain possible and should not be replaced by a jaw diagnosis.
Eye warning signs
Sudden vision loss or field change, severe redness with abrupt eye pain, halos, double vision, marked pain on eye movement, severe headache with vomiting, eyelid droop, facial sensory change, or weakness requires prompt ophthalmic, neurologic, or emergency assessment.
What was assessed in the clinic?
Assessment covered onset and duration of eye symptoms; differences between hard and soft foods; right masseter and temporalis tenderness; reproduction of pain below the eye; maximum opening and jaw path; timing and pain associated with the right joint sound; and symptom change with chewing or clenching.
Teeth, gums, and restorations were reviewed, with TMJ imaging and results from ophthalmic or other departments considered when needed.
TMD is not always established by one test; symptom location, triggers, head-neck-face examination, jaw movement, and appropriate imaging are interpreted together.
Treatment plan and visit count
There were 15 visits in total. Five included injection treatment; the other ten were follow-up and other conservative care. A TMJ appliance was also used within this patient's plan.
The appliance was not chosen simply because eye pain was present. The roughly three-year course, hard-food jaw pain, joint sound, palpation, jaw function, teeth, occlusion, and ability to adapt to an appliance were reviewed together.
The clinic's appliance-use rate was about 4% in 2024
In Obok Dental Clinic's internal 2024 statistics for patients presenting with TMJ concerns, about 4% received appliance treatment. The clinic did not use an appliance first for every patient.
Initial care can involve conservative follow-up, self-management, or injections when indicated, with appliance need assessed separately.
In selected cases with persistent referred or neuralgia-like pain plus jaw-function and chewing changes, an appliance may be considered after other causes, dental and occlusal status, joint and muscle findings, goals, and adaptation are reviewed.
Four percent describes this clinic's 2024 distribution only; it is not a rate that applies to other clinics or all people with TMD.
Visit 2: symptoms were similar, but the jaw sound was absent
The patient felt generally similar to usual, but the opening “pop” reported initially did not occur. Sound can appear and disappear; its absence did not establish full joint recovery, so chewing pain, eye discomfort, opening, and movement remained under review.
Visit 3: right eye pain remained nearly unchanged
The sound remained absent, but other symptoms were almost unchanged. Right eye pain was close to the initial level and was noticed mainly while lying down and looking at a mobile phone, without a clear morning-evening difference.
That context was useful but did not prove that posture or phone use caused the pain. Screen time, neck and jaw position, ocular status, and change with jaw movement were considered separately.
Visit 4: eye pain recurred in the same situation
Eye pain again occurred while lying down and viewing a phone. Repetition was documented, but this pattern alone did not establish phone use or posture as the cause.
Visit 5: fatigue and evening became more relevant than meals
The patient no longer felt that meals and eye pain were related. Pain appeared with fatigue, was not present every time he lay down, and varied between severe, absent, and perhaps somewhat reduced overall.
There was no pain on waking; it appeared mainly in the evening and inconsistently before sleep. This differed from the earlier report of no morning-evening distinction, so both observations were retained by date rather than overwriting one with the other.
Visit 6: frequency decreased more than intensity
The intensity when eye pain occurred was similar, but episodes were less frequent. Intensity and frequency were recorded separately because they can change independently.
Discomfort usually occurred while lying down. This remained a clue considered alongside eye status, fatigue, screen use, and neck-jaw position, not a stand-alone cause.
Visit 7: eye rest after LASEK changed several conditions
About one week earlier, the patient had undergone laser-assisted sub-epithelial keratectomy (LASEK). He kept his eyes closed for much of that period and reported no eye pain while they were closed.
Eye surgery, eye rest, and reduced screen exposure changed together. Absence of pain was therefore not attributed only to TMJ care, and postoperative eye decisions remained with the treating ophthalmologist.
Visit 8: overall discomfort was much lower
The patient reported that discomfort had decreased substantially. Follow-up continued rather than assuming that the same state would persist without fluctuation.
Visit 9: symptoms returned during a cold morning walk
He sometimes felt a cold aching sensation in the right jaw and eye pain during an approximately 30-minute walk to school on cold mornings. Symptoms had been absent at the previous visit but had returned.
Cold air, walking, morning timing, ocular response, jaw and neck tension, and posture could all be relevant. None was selected as the sole cause, and recurrence after improvement was documented without automatically labeling treatment failure.
Visit 10: intermittent pain without a regular cycle
Eye pain occurred occasionally with no clear cycle; painful and pain-free days were mixed. Fatigue, screen exposure, eye status, and jaw discomfort on symptomatic days continued to be tracked.
Visits 11 and 12: broadly similar
At visit 11, the patient described ordinary days with a small amount of persistent eye pain, similar to the prior visit. Visit 12 was also similar, with no newly recorded marked worsening or improvement.
Visit 13: neither the eyes nor jaw was uncomfortable
The patient reported no particular discomfort in either the eyes or jaw and no pain episodes since the previous visit. This was recorded as a symptom-free point after earlier fluctuations.
Visit 14: bilateral chewing pain without eye pain
There was no eye pain, although an occasional sensation remained around the eye. Hard foods now caused pain in both jaws rather than only the right.
This showed that the symptom-free visit 13 did not establish permanent resolution. Eye symptoms and chewing-related jaw symptoms still needed separate follow-up.
Visit 15: no pain was confirmed and care ended
The patient felt ordinary and reported no painful symptoms. Bilateral hard-food jaw pain noted at visit 14 was not reported this time. With eye and jaw pain absent, care was ended.
Eye pain and jaw pain must be followed separately
Early in the course, right jaw and eye discomfort occurred together with hard-food chewing. Later, the patient felt that meals and eye pain were unrelated. At visit 14, bilateral chewing pain was present without eye pain.
Reduced eye pain does not prove that its original cause was the TMJ or masseter, and absence of eye pain does not mean that chewing-related jaw symptoms have also resolved. Both were absent again at visit 15.
Summary
Right eye pain had continued for about three years, and right masseter pain with periocular heat and discomfort appeared when chewing hard foods. The mouth opened, but the right jaw made a sound.
Eye causes and warning signs were considered first, while chewing conditions, jaw movement, joint sound, and masticatory-muscle findings were assessed together.
Across 15 visits, five injection treatments, ten other care visits, and a TMJ appliance were documented.
Symptoms fluctuated: both areas were comfortable at visit 13, bilateral chewing pain returned without eye pain at visit 14, and neither eye nor jaw pain was present at visit 15 when care ended.
The course illustrates why one point of improvement should not define the entire outcome and why eye symptoms and jaw-function symptoms should be interpreted separately.
Frequently asked questions
Can the eye area hurt when the jaw hurts?
They can occur together, but eye pain alone does not establish a TMJ diagnosis. Eye disease and warning signs come first, followed by assessment of repeated change with chewing, clenching, and opening.
Is discomfort only with hard foods important?
It is a useful clue because hard foods may require greater masseter activity. Comparison with soft foods is helpful, but this response alone cannot identify the cause of eye pain.
Are the TMJs and muscles assessed even when opening is adequate?
Yes. Chewing pain, painful joint sounds, changes in movement path, and muscle tenderness may be present despite maintained opening range.
Does disappearance of eye pain after jaw care prove the cause?
No. Change over time is clinically useful, but natural fluctuation, eye treatment, rest, screen exposure, and other factors can contribute. This case cannot be generalized.
Research and guidance cited with this case
TMD and ophthalmologic or otolaryngologic symptoms
Song HS, et al. PLoS One. 2018;13(1):e0191336. DOI: 10.1371/journal.pone.0191336.
This cross-sectional analysis found statistical associations between TMD symptoms and migraine, tinnitus, and selected eye or ENT symptoms; it cannot establish individual causation or temporal order.
Temporalis trigger points and referred pain
Fernández-de-Las-Peñas C, et al. Clinical Journal of Pain. 2007;23(9):786–792. DOI: 10.1097/AJP.0b013e318153496a.
Temporalis stimulation in chronic tension-type headache produced referred pain toward the temple and behind the eye; this is mechanistic context, not direct evidence for this patient's diagnosis.
Headache attributed to TMD versus comorbid headache
Sharma S, et al. Pain. 2023;164(4):820–830. DOI: 10.1097/j.pain.0000000000002770. The study supports distinguishing headache secondary to TMD from a separate headache that coexists with TMD; co-occurrence alone is insufficient.
Burning eye and neuropathic ocular pain
Kalangara JP, et al. Pain Medicine. 2016;17(4):746–755. DOI: 10.1093/pm/pnv070. The paper discusses ocular-surface and neuropathic mechanisms in burning eye symptoms, supporting separate review of eye status, fatigue, screen use, and the postoperative LASEK course.
Additional guidance
The US National Institute of Dental and Craniofacial Research guidance on temporomandibular disorders and the American Academy of Ophthalmology EyeWiki emergency guidance were also used to frame jaw assessment and eye warning signs.