# Dry eye

- Category: chronic
- Review status: reviewed (every claim checked against a document named on this page)
- Sources: Hypromellose Eye Drops BP SmPC sections 4.1-4.4 (eMC product 457) · TFOS DEWS II Management and Therapy Report 2017 · Viscotears Liquid Gel SmPC sections 4.1-4.4 (eMC product 2310)
- Verified date: 2026-08

## Verified against

- Hypromellose Eye Drops BP SmPC sections 4.1-4.4 (eMC product 457)
- Viscotears Liquid Gel SmPC sections 4.1-4.4 (eMC product 2310)
- Dry Eye Syndrome - disease-level clinical article (dry-eye-syndrome-clinical.txt)

## Treatment metadata

- Hypromellose — eye
- Referral & safety-netting (no drug therapy)
- Carbomer — eye

## Complete treatment card

```text
DRY EYE
Sources: Hypromellose Eye Drops BP SmPC sections 4.1-4.4 (eMC product 457) · TFOS DEWS II Management
         and Therapy Report 2017 · Viscotears Liquid Gel SmPC sections 4.1-4.4 (eMC product 2310)
Review status: REVIEWED against Hypromellose Eye Drops BP SmPC sections 4.1-4.4 (eMC product 457),
               Viscotears Liquid Gel SmPC sections 4.1-4.4 (eMC product 2310), Dry
               Eye Syndrome - disease-level clinical article (dry-eye-syndrome-
               clinical.txt)  (2026-08)

IS IT THIS? - reference only, to read alongside your own examination
  SYMPTOMS - what the patient reports (12)
    - Stinging, burning, or a pressure sensation in the eyes can occur
    - A sandy, gritty, or foreign-body feeling is a common complaint  [foreign body]
    - Excess tearing (epiphora) can paradoxically result from the irritation dryness causes  [eye
      discharge]
    - Sharp or dull pain may be felt in, behind, or around the eye  [dry eye]
    - Redness is common and can rebound worse once over-the-counter vasoconstrictor drops wear off
      [redness]
    - Intermittent blurry vision with glare or haloes around lights at night is a frequent complaint
    - Fluctuating vision and trouble reading may be reported
    - Eyelids can feel heavy, or opening them may be difficult
    - Eyelid twitching can be reported
    - Contact lenses become uncomfortable or unwearable because of the dryness
    - Eyes feel tired, sometimes relieved briefly by closing them  [fatigue]
    - Severe disease can leave a patient unable to produce tears when crying
  SIGNS - what you find (3)
    - Conjunctival redness may be seen but is nonspecific since many other causes of conjunctivitis
      produce it too  [eye redness]
    - Incomplete blinking or nighttime lagophthalmos on exam can contribute to the disease
    - Anterior or demodex blepharitis frequently coexists and is checked for on lid exam
  TESTS (10)
    - A tear breakup time under 10 seconds is generally considered consistent with the diagnosis
    - The Schirmer I test without anesthetic diagnoses aqueous deficiency at under 5 to 10 mm of
      wetting after 5 minutes
    - A phenol red thread test uses cutoff values from under 10 to 20 mm of wetting
    - Fluorescein staining of more than five spots is a positive result for corneal damage
    - Lissamine green staining of more than nine spots is a positive result for conjunctival and
      lid-margin damage
    - Tear osmolarity of 308 mOsm/L or higher suggests mild-to-moderate disease, and 316 mOsm/L or
      higher suggests severe disease
    - A point-of-care test can detect elevated matrix metalloproteinase-9 in the tears
    - Meibomian gland expressibility is assessed by pressing the lid margin - normal glands yield
      clear meibum, dysfunctional ones turbid or viscous meibum
    - Testing can include Ro/SS-A and La/SS-B antibodies, along with antinuclear antibodies and
      rheumatoid factor
    - Diagnosis takes three things together: how much tear there is and how good it is, the state of
      the surface, and what the patient actually reports
  IF NOT THIS - what else fits (10)
    - Conjunctivitis - allergic, viral, bacterial, or parasitic/chlamydial - is on the differential
    - Anterior blepharitis is on the differential
    - Demodex blepharitis is on the differential
    - Cicatricial conjunctivitis, as in Stevens-Johnson syndrome or mucous membrane pemphigoid, is
      on the differential
    - Bullous keratopathy is on the differential
    - Contact lens-related keratoconjunctivitis is on the differential
    - Eyelid malposition such as entropion or ectropion, or an abnormality such as trichiasis, can
      lead to ocular surface disease and is on the differential
    - Keratitis - interstitial, filamentary, contact-lens related, or neurotrophic - is on the
      differential
    - It splits in two: an aqueous-deficient form where the lacrimal side under-produces, and an
      evaporative form where the tears do not stay
    - Mixed causes are common, so finding one mechanism does not rule the other out
  Source  StatPearls "Dry Eye Syndrome" - disease-level clinical article
  Status  traced to the source above

1. HYPROMELLOSE                                           [1st line]
   Adult    One or two drops topically instilled into the eye three times daily as needed, or as
            directed by a physician. - long-term as needed
   Peds     1-2 drops topically instilled into the eye three times daily as needed, or as directed
            by a physician.
   Source   Hypromellose Eye Drops BP SmPC sections 4.1-4.4 (eMC product 457)
   Why      Direct match - hypromellose artificial tears are the standard first-line treatment for
            dry eye of any cause.
   Caution  Once a bottle is opened it keeps four weeks, no longer, however much is left in it.
            May cause transient blurring of vision on instillation. Do not drive or operate
            hazardous machinery unless vision is clear.
            First-line lubricant for mild-to-moderate dry eye; safe for long-term as-needed use.
            Use preservative-free drops if instilling more than 4-6 times daily.
            Remove soft contact lenses before instillation; wait at least 15 minutes before
            reinserting.
            If accompanied by dry mouth and joint pain, consider an underlying autoimmune cause
            (e.g. Sjogren's syndrome) and investigate or refer.
            RED FLAG - Eye pain, redness or a change in vision beyond the usual gritty, burning
            discomfort: rule out corneal involvement or another diagnosis.
   Egypt    HYDROBLEND 0.32% EYE DROPS 10*0.5 ML SDU GLOBAL ADVANCED PHARMACEUTICALS...    15.00 EGP
            GENTEAL EYE DROPS 10 ML          NOVARTIS > NO...    18.00 EGP
            OPTILUBRIC 0.32% EYE DROPS 30*0.5 ML SDU EVA PHARMA                            96.00 EGP
            HYDROBLEND 0.32% EYE DROPS 30*0.5 ML SDU GLOBAL ADVANCED PHARMACEUTICALS...   108.00 EGP

2. REFERRAL & SAFETY-NETTING (NO DRUG THERAPY)            [1st line]
   Adult    
   Source   Dry Eye Syndrome - disease-level clinical article (dry-eye-syndrome-clinical.txt)
   Why      Carries the referral criteria and warning signs for this condition, which apply
            whichever treatment is chosen.
   Caution  RED FLAG - Severe/untreated disease can progress to corneal complications (infectious
            keratitis, ulceration, scarring) causing vision loss - escalate rather than continuing a
            lubricant alone.

3. CARBOMER                                               [2nd line]
   Adult    Instil 1 drop of 0.2% eye gel into affected eye(s) 3-4 times daily and at bedtime
   Peds     Instil 1 drop 3-4 times daily in children
   Source   Viscotears Liquid Gel SmPC sections 4.1-4.4 (eMC product 2310)
   Why      Higher-viscosity lubricant gel that stays on the ocular surface longer than a standard
            artificial tear, chosen for more severe or nocturnal dry eye symptoms.
   Caution  Carbomer is a high-viscosity gel providing longer ocular residence time for severe
            nocturnal symptoms.
            May cause temporary blurred vision immediately after application.
            Refer to ophthalmologist if corneal ulceration or severe pain occurs.
            Soft lenses take up the preservative and discolour: out before the drop, back in no
            sooner than 15 minutes after.
            Once a bottle is opened it keeps four weeks, no longer, however much is left in it.
            It blurs vision for a while after each drop. Wait until it clears before driving.
            In case of any additional local ocular treatment (eg glaucoma therapy) there should be
            an application interval of at least 5 minutes between the two medications, Viscotears
            Liquid Gel always should be the last medication instilled.
   Egypt    VIDISEC EYE GEL 10 GM            MINA PHARM > ...    13.20 EGP
            THILOTEARS 3 MG EYE GEL 10 GM    ALCON > NOVAR...    19.20 EGP
            OCCUPLUS EYE GEL DROPS 20 X 0.6ML SDU COC Farmaceutici > RX HEALTHCARE        300.00 EGP

Prices are indicative (dataset snapshot 2026-06); verify with the pharmacy.
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