Which Intravitreal Injection Site is less Painful and Less Stress for the Patient

Status

Recruiting

Phases

Phase 4

Study type

Interventional

Source

TCTR

Registry ID

TCTR20210719007

Enrollment

180

Registered

2021-07-19

Start date

2020-09-07

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pain, anxiety, Intravitreal injection pain, intravitreal injection location, anxiety

Interventions

Area 60 degree superior to horizontal line at nasal site of the eye,Area 60 degree superior to cornea to which the vertical line divided this area in the middle.,Area 60 degree superior to horizontal

Active Comparator Procedure/Surgery,Active Comparator Procedure/Surgery,Active Comparator Procedure/Surgery,Active Comparator Procedure/Surgery,Active Comparator Procedure/Surgery,Active Comparator Pr

Superonasal site,Superior site,Superotemporal site,Inferotemporal site,Inferior site,Inferonasal site

Eligibility

Sex/Gender

All

Age

20 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1 Patient required intravitreal antiVEGF injection 2 age 20-90

Exclusion criteria

Exclusion criteria: 1 Previous Ocular surface diseases and surgery that could affect the pain interpretation. 2.Communication problem

Design outcomes

Primary

Measure	Time frame
Pain score at the end of the procedure Mean Pain score	—

Secondary

Measure	Time frame
Anxiety Score at the end of the procedure Mean Anxiety Score	—

Countries

Thailand

Contacts

Public ContactAnyanee Norranitchaiyakul

Priest Hospital Doctor

anyaneeam@gmail.com023544305

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026