The present invention relates to methods of treating or preventing retinal ganglion cell (RGC) death and/or glaucoma using modulators of neurotrophic receptors that comprise beta-turn peptidomimetic cyclic compounds or derivatives thereof. The neurotrophic receptor modulators can be used alone, in combination and/or in conjunction with one or more other compounds, molecules or drugs that treat or prevent ocular hypertension, RGC death and/or glaucoma.