Preservative Free Eye Drops
Microbial contamination of multidose bottles of eye drops can cause eye infections that may lead to damage of the eye and in extreme cases loss of sight. To minimise the risk, multidose bottles of eye drops contain an antimicrobial preservative such as benzalkonium chloride. The preservatives used in eye drops are normally well tolerated, but they are not completely harmless. They can cause irritation and damage to the corneal epithelium. This risk is understood to be greater in patients with pre-existing damage to the ocular surface and where large quantities of preservative containing eye drops are applied repeatedly over a prolonged period (e.g. if applied more than 4 to 6 times daily for several weeks/ months).
To avoid these problems the use of preservative-free eye drops is recommended in:
Patients who have experienced hypersensitivity reactions or irritation due to preservatives in eye drops.
Patients who have received corneal grafts.
Patients with conditions where there is already damage to the ocular surface as a result of disease or trauma, such as dry eye, blepharitis, ocular burns etc.
Treatment with preservative-free eye drops will usually be initiated by an ophthalmologist.
Aflibercept Eylea® |
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NICE TA 294 Aflibercept solution for injection for treating wet age‑related macular degeneration NICE TA 305 Aflibercept for treating visual impairment caused by macular oedema secondary to central retinal vein occlusion NICE TA 346 Aflibercept for treating diabetic macular oedema NICE TA 409: Aflibercept for treating visual impairment caused by macular oedema after branch retinal vein occlusion NICE TA 486: Aflibercept for treating choroidal neovascularisation |
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Brolucizumab Beovu® |
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MHRA Drug Safety Update (Jan 2022): Brolucizumab (Beovu▼): risk of intraocular inflammation and retinal vascular occlusion increased with short dosing intervals NICE TA672: Brolucizumab for treating wet age-related macular degeneration NICE TA820: Brolucizumab for treating diabetic macular oedema |
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Faricimab Vabysmo® |
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NICE TA799: Faricimab for treating diabetic macular oedema NICE TA800: Faricimab for treating wet age-related macular degeneration TA1004: Faricimab for treating visual impairment caused by macular oedema after retinal vein occlusion |
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Ranibizumab 10mg/1ml injection Lucentis® |
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NICE TA 274 Ranibizumab for treating diabetic macular oedema NICE TA 155 Ranibizumab and pegaptanib for the treatment of age-related macular degeneration NICE TA 283 Ranibizumab for treating visual impairment caused by macular oedema secondary to retinal vein occlusion NICE TA 298 Ranibizumab for treating choroidal neovascularisation associated with pathological myopia |
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Verteporfin 15mg Injection Visudyne® |
Formulary
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Approved for photodynamic therapy in wet age-related macular degeneration in line NICE. |
NICE NG82: Age-related macular degeneration NTAG Decision Summary June 2020: Verteporfin |
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