Patients (40 to 49 years old) who notice Presbyopia
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Patients who are aware of a decline in visual acuity of 40 to 49 years old 2) Single focal soft contact lens wearer who wants multifocal soft contact lens 3) Patients who can properly prescribe Lo 4)A patient who understands the contents of the consent document and is able to consent in the document of the person 5)Patient who can come to the observation day by the instruction of the researcher
Exclusion criteria
Exclusion criteria: 1)Patients who may affect the orthodontic vision of contact lenses due to diseases such as keratoconus, ptosis, and dry eye 2)Patients who have allergy and infectious ocular conditions. 3)A patient who is a research director or researcher who is deemed unfit for the incorporate of this research 4)Patients judged by other research managers or researchers as inappropriate to implement this research safely
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Comparative evaluation of examination during wearing of two kinds of soft contact lenses | — |
Countries
Japan
Contacts
Ishizuchi Eye Clinic Director