Eye emergency at the CARE Clinic — North Shore Greater Montreal

At the CARE Clinic, on the North Shore of Greater Montreal, the optometrist assesses emergencies affecting the front of the eye (red eye, pain, foreign body, chemical burn, infected eyelid, corneal abrasion, uveitis). For flashes of light, sudden floaters, sudden vision loss, or double vision, contact ophthalmology or the hospital emergency department directly — the CARE Clinic does not consult on these situations and will redirect you by phone.

Understanding the condition

What is an eye emergency?

The term emergency doesn’t always mean the same thing. An irritated eye from dust, pain with contact lenses, sudden vision loss, or chemical exposure do not require the same approach.

Triage starts over the phone, even before the consultation: chemical exposure = immediate rinsing for 15 minutes with water; sudden vision loss = likely back of the eye involvement, directed straight to ophthalmology; intense pain with contact lenses = corneal involvement until proven otherwise, assessed at the clinic.

If vision suddenly decreases, if a chemical touches the eye, if an object is embedded, or if neurological symptoms appear, use the appropriate emergency resources without going through the clinic.
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Our approach

Three levels of care based on the symptom

Trier

Identify what changes caution

The optometrist considers the sudden onset, vision, pain, contact lenses, chemical exposure, or trauma to guide the next steps.

Examiner

Check for observable signs

At the clinic, the optometrist checks the front of the eye; signs related to the back of the eye are directed to ophthalmology.

Orienter

Decide if the clinic can help

Based on the observed signs, the optometrist can provide care at the clinic or refer over the phone to ophthalmology or a hospital emergency department.

Symptômes

What symptoms require prompt evaluation?

Pain, decreased vision, intense redness, foreign body, painful lens, or new light flashes change the course of action — and guide the phone triage.

01

Significant eye pain

Severe, new, or worsening pain increases the urgency, especially if vision or light sensitivity is affected.

02

Sudden vision loss

Sudden vision loss, even if it returns, requires prompt evaluation.

03

Red eye with light sensitivity

Redness, pain, light sensitivity, or blurred vision require prompt evaluation.

Other frequently reported signs

Foreign body or projection

A persistent sensation after dust, metal, wood, or other foreign object projection should be checked.

Chemical in the eye

A chemical exposure requires immediate rinsing and urgent medical attention.

Pain with contact lenses

Redness, pain, or altered vision with contact lenses may indicate corneal damage.

Flashes, floaters, or curtain

Bright flashes, new floaters, or a shadow in the visual field require immediate attention.

Sudden double vision

New onset double vision, especially if accompanied by other symptoms, should be taken seriously.

If the symptom is new, painful, or changes vision, the context should be clarified from the first call so that the next steps are oriented correctly — whether towards the clinic or the appropriate emergency resource.

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In an eye emergency, the optometrist first checks by phone if the situation can be assessed at the clinic for the front of the eye, or if it needs to be redirected to ophthalmology or the emergency department of a hospital without an appointment with us.

Dr. Francesca Olinga, optometrist

Overview

Four categories of emergencies to recognize

Irritated or scratched eye surface, sudden vision loss, chemical exposure, or deep painful redness: these 4 situations do not lead to the same resources — clinic for the front of the eye, phone redirection for the rest.

To mention during the call or evaluation

Surface, vision, chemical trauma, or deep redness?

Scratched eye surface, sudden vision loss, chemical exposure, or deep painful redness: each profile leads to different actions — clinical care for the front of the eye, phone redirection to ophthalmology or the hospital for the rest.

01

Surface

Eye surface to check

Dust, foreign body, abrasion, or painful contact lens may affect the cornea or conjunctiva — assessed in the clinic.

Signs

Foreign body sensation

Pain while blinking

Painful lens

02

Vision

Visual change to assess

Sudden vision loss, flashes, floaters, or a dark curtain: phone referral to ophthalmology, no appointment needed at the clinic.

Signs

Decreased vision

Flashes of light

Shadow or curtain

03

Exposure

Chemical or trauma

Chemical splash, cut, puncture, or foreign object require urgent action — phone referral to hospital emergency.

Signs

Immediate flushing

Embedded object

Cut or laceration

04

Redness

Painful or deep redness

Redness with pain, light sensitivity, halos, nausea, or a changed pupil may require a phone referral to ophthalmology.

Signs

Photophobia

Halos or nausea

Changed pupil

Tableaux à reconnaître rapidement

Six situations to recognize over the phone

01

The optometrist considers the onset, duration, trauma, contact lenses, chemical exposure, recent surgery, and general symptoms to determine the next steps.

02

At the clinic, the optometrist checks the front of the eye; signs that suggest a condition affecting the back of the eye are referred to ophthalmology.

03

Depending on the observed signs, the optometrist can provide care at the clinic for the front of the eye, or refer by phone to ophthalmology or a hospital emergency room.

Situations

Why does the context of the symptom matter?

Redness with a foreign body, a corneal scratch, or a painful lens may suggest an infection or corneal involvement—all situations at the front of the eye, treated in the clinic. Intense pain with severe light sensitivity may indicate inflammation at the front of the eye (anterior uveitis), also treated here.

Vision loss with flashes or dark curtain may indicate retinal detachment or a blocked vessel at the back of the eye: these situations are directed by phone straight to ophthalmology on the same day, without an appointment at the clinic. An eye pressure crisis (intense pain, halos around lights, nausea) or deep infection around the eye (fever, very swollen eyelid) are redirected to emergency ophthalmology or hospital emergency.

The front of the eye (eyelids, white of the eye, cornea) is treated at the clinic. The back of the eye (retina, gel inside, optic nerve) is not assessed here—it is directly referred by phone to ophthalmology.

Perspective

A superficial irritation may sometimes resolve on its own, but a decrease in vision, intense pain, exposure to chemicals, trauma, or flashes of light necessitate a prompt consultation or telephone redirection to ophthalmology.

Can it wait until the next appointment?

Superficial irritation may sometimes go away in a few hours. But microbial keratitis under contact lenses, severe chemical burns, trauma with globe involvement, acute angle-closure glaucoma, retinal detachment, or orbital cellulitis can develop within hours and threaten vision.

The useful question is not just about intensity. Vision loss, sudden symptoms, or chemical exposure changes the necessary caution.

What signs require emergency resources?

Chemical exposure, embedded object, sudden vision loss, dark curtain, bright flashes, intense pain, sudden double vision, or neurological signs require immediate guidance — these situations are not assessed in clinic but redirected by phone to the right resource.

  • Chemical in the eye

    Rinse immediately with water and use emergency resources — phone redirection to a hospital emergency room.

    Urgent

  • Embedded object or open globe injury

    Do not remove the object; phone redirection to a hospital emergency room, no clinic visit required.

    Urgent

  • Sudden decrease or loss of vision

    Sudden decrease in vision, even if temporary: phone redirection to ophthalmology; no clinic appointment.

    Urgent

  • Flashes, floaters, or a dark curtain over vision

    These signs require an urgent retinal evaluation — referred by phone to ophthalmology, no appointment needed at the clinic.

    Urgent

  • Intense pain with halos, nausea, or vomiting

    This combination may indicate high eye pressure — telephone referral to emergency ophthalmology.

    Urgent

  • What can the optometrist do for eye emergencies?

    Three questions structure the triage: is vision affected? Has there been a hit, a chemical, or a projected object? Does the symptom affect the front of the eye or seem to come from the back?

    Prochaines étapes

    Treat on-site for the front of the eye, redirect by phone to ophthalmology or hospital emergency

    Front of the eye: treated in clinic. Back of the eye: redirected by phone to ophthalmology the same day, without an appointment at the clinic. Major trauma, severe burn, eye pressure crisis, or deep infection: hospital emergency, without going through the clinic.

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    FAQ

    What treatment is provided during an ocular emergency?

    The approach depends on what the optometrist observes or hears over the phone. For eye front issues (eyelids, whites, cornea), local measures, a prescription when indicated, and close follow-ups may be offered at the clinic. For eye fundus issues, a major trauma, or serious burn, the situation will be redirected by phone to ophthalmology or hospital emergency, without an appointment at the clinic.

    Are flashes of light or floaters urgent?

    New flashes, numerous floaters, or a shadow like a curtain in vision are recognized as possible retinal issues. These situations are redirected by phone directly to ophthalmology the same day, without an appointment at the clinic.

    Can a foreign body be removed in clinic?

    A superficial foreign body can be removed at the clinic if the phone triage confirms that the situation is suitable. A lodged object, a globe cut, or a high-speed projection is redirected by phone directly to hospital emergency, without an appointment at the clinic.

    What should I do if a contact lens becomes painful?

    Remove contact lenses. If the eye is red, painful, light-sensitive, or if vision changes, seek a rapid evaluation at the clinic — it’s a front-of-eye issue.

    What should I do if a chemical gets in my eye?

    Start rinsing immediately with clean water for at least 15 minutes, then use emergency resources. A burn from concentrated acid or base is redirected by phone directly to hospital emergency — no appointment at the clinic for these cases.

    What signs warrant emergency resources?

    Use appropriate emergency resources if you experience sudden vision loss, if a chemical contacts the eye, if an object is lodged, if significant trauma occurs, or if neurological signs appear. These situations are redirected by phone to ophthalmology or hospital emergency, without an appointment at the clinic.

    Can an optometrist see an ocular emergency?

    Yes, for emergencies affecting the front of the eye: superficial foreign body, infection or abrasion of the cornea, infected red eye, infected stye or chalazion, inflammation at the front of the eye. Issues at the back of the eye, major trauma, and serious chemical burns are redirected by phone to ophthalmology or hospital emergency, without an appointment at the clinic.

    What is an eye emergency?

    This is a situation where a sudden symptom, pain, injury, possible infection, or change in vision requires rapid triage — first by phone to then guide towards the clinic (front of the eye) or towards ophthalmology or hospital emergency (back of the eye, major trauma, severe burn).

    Who evaluates an eye emergency in the clinic?

    Dre Francesca Olinga, optométriste à Experience Care, portrait détouré
    Dre. Francesca Olinga
    Optometrist

    An optometrist and founder of the CARE Clinic, Dr. Francesca Olinga understands dry eye because she has experienced it. Experienced in the management of complex cases (neuropathic pain, demodex, chalazions), she uses innovation and attentive listening to guide you toward improved eye comfort.

    Dre Trang Nguyen, optométriste à Experience Care, portrait détouré
    Dr. Trang Nguyen
    Optometrist

    Optometrist with over 30 years of experience and speaker for eye care professionals. Dr. Nguyen has experience in improving visual quality affected by dry eye. She supports her patients in reconciling their aesthetic goals (makeup, cosmetics) and optimal eye comfort.

    Dr Daniel Nguyen, optométriste à Experience Care, portrait détouré
    Dr Daniel Nguyen
    Optometrist

    An optometrist and member of theOOQ, Dr. Daniel Nguyen splits his practice between eye exams in an optometry clinic and advanced management of dry eye conditions at the CARE Clinic. This dual practice provides him with a comprehensive view of his patients' visual health, from routine screenings to cutting-edge therapeutic protocols. dry eye Biography of Karine Charbonneau