About this trial
The primary objective of this study is the assessment of three tear substitute formulations in terms of postoperative discomfort following cataract extraction surgery by means of phacoemulsification and intraocular lens implantation.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
None
Disqualifiers
Former incisional surgery
Former diagnosis of corneal disease
Autoimmune diseases
Mental diseases
Trial population
Patients who underwent cataract extraction surgery
Trial design
Cohort
Prospective
Treatments tested in this trial
Sodium Hyaluronate 0.15% and Dexpanthenol 2% drops (Hylopan max)
DrugCataract patients will be administered Drops of Sodium Hyaluronate 0.15% and Dexpanthenol 2% quid in their postoperative regimen
Sodium Hyaluronate 0.15% and Trehalose 3% drops (Thealoz duo)
DrugCataract patients will be administered Drops of Sodium Hyaluronate 0.15% and Trehalose 3% quid in their postoperative regimen
Sodium Hyaluronate 0.2% and Amino acids drops (Helenvision ultra)
DrugCataract patients will be administered Drops of Sodium Hyaluronate 0.2% and Amino acids quid in their postoperative regimen
Treatment groups
Trial outcomes
Primary outcomes
Ocular Surface Disease Index (OSDI)
A subjective parameter that quantifies corneal discomfort
Tear Break-up Time (TBUT)
An objective parameter that quantifies stability of tear film
Secondary outcomes
Schirmer test (basal tear production)
An objective test that assesses basal tear production alone using topical anesthetic drops, by removing the stimulus that triggers reflex tearing.
Efron scale for bulbar redness
A clinical tool consisting of five photographic, color-calibrated images (graded 0 to 4) that allow practitioners to classify the severity of conjunctival hyperaemia, ranging from normal to severe Grade 0: Normal, pale eyelid margin, minimal conjunctival vessels. Grade 1: Trace/Very Slight redness. Grade 2: Slight/Mild redness. Grade 3: Moderate redness. Grade 4: Severe redness.
Sponsors and contacts
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