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Tear evaporimeter for measuring water evaporation rate from the tear film under controlled conditions in humans.
Biodegradable microspheres for vitreoretinal drug delivery.
Increased tear evaporation in eyes with keratoconjunctivitis sicca.
In 52 patients with KCS symptoms, either with or without tear volume reduction as measured by Schirmer's basic secretion test, a statistically significant increase in water evaporation rate from the tear film when compared with normal subjects is found.
THE USE OF HYDROPHILIC POLYMERS AS ARTIFICIAL VITREOUS
Porous structure of Purevision versus Focus Night&Day and conventional hydrogel contact lenses.
The surface and bulk structures of hydrogel contact lenses that contain siloxane moieties, Purevisiontrade mark (balafilcon A) and Focus(R)Night&Day trade mark (lotrafilcon A), were investigated and a macroporous structure was observed on the front and back surfaces, and in their bulk.
Wettability of hydrogels. I. Poly (2-hydroxyethyl methacrylate).
It is concluded that on PHEMA gels water does not spread spontaneously, and large hysteresis has been observed in the advancing and receding contact angles, suggesting that this hydrogel surface is capable of changing its free energy through reorientation of the polymer side chains and chain segments depending on the nature of the adjacent phase.
Long-term complications of the MAI hydrogel intrascleral buckling implant.
Clinical problems with the MAI hydrogel intrascleral buckling implant appeared 7 to 11 years after surgery, suggesting the need for periodic, long-term follow-up.
Long-term complications of silicone and hydrogel explants in retinal reattachment surgery.
- M. Roldán-Pallarés, J. L. del Castillo Sanz, S. Awad-El Susi, M. Refojo
- MedicineArchives of ophthalmology
- 1 February 1999
OBJECTIVE To compare long-term complications of silicone sponge, silicone rubber, and MIRAgel used as episcleral buckling elements. METHODS Medical reports were reviewed of 805 patients with…
Platelet-derived growth factor plays a key role in proliferative vitreoretinopathy.
- A. Andrews, E. Balciunaite, A. Kazlauskas
- Biology, MedicineInvestigative Ophthalmology and Visual Science
- 1 October 1999
PDGF makes an important contribution to the development of PVR in this animal model and there is a marked difference between the two receptors for PDGF, and it is the PDGF alpha receptor that is capable of driving events that lead to PVR.
Biodegradation and tissue reaction to intravitreous biodegradable poly(D,L-lactic-co-glycolic)acid microspheres.
We studied the biodegradation of and the tissue reaction to microspheres of 50:50 poly(D,L-lactic-co-glycolic)acid (PLGA) (viscosity-average MW: 3000 d), injected intravitreous in rabbits. These…