Disclosed are a lens assembly and a method for manufacturing the same. The invention provides a Fab, having the following characteristics:a) inhibits the IgE-Fc\u03b5RI interaction;b) binds to free and cell-bound IgE; andc) is non-anaphylactic. R-shaped orbits are included that have openings from the bosses’ back end that extend toward the bosses’ front lower parts.